data/records.jsonl

{"cfr_subpart": "40 CFR 63 Subpart LLLLLL (6L)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acrylic-and-modacrylic-fibers-production-national-emission", "id": "acrylic-modacrylic-fiber-area-sources", "key_haps_regulated": "acrylonitrile", "most_recent_amendment_date": "2008-03-28", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/acrylic-and-modacrylic-fibers-production-national-emission", "source_category": "Acrylic/Modacrylic Fiber (area sources)", "source_quote": "This National Emission Standards for Hazardous Air Pollutants (NESHAP) for Acrylic and Modacrylic Fibers Production Area Sources was promulgated in 2007 and was amended in 2008. This regulation sets standards for process vents, fiber spinning lines, storage vessels, process and maintenance wastewater, and equipment leaks. Emission standards consist of numerical limits for acrylonitrile emissions. This NESHAP includes various testing, monitoring, and recordkeeping requirements.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/acrylic-modacrylic-fiber-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart GG", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/aerospace-manufacturing-and-rework-facilities-national-emission", "id": "aerospace", "key_haps_regulated": "chromium, cadmium, methylene chloride, toluene, xylene, methyl ethyl ketone, ethylene glycol and glycol ethers", "most_recent_amendment_date": "2016-08-03", "original_final_rule_date": "1995-09-01", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/aerospace-manufacturing-and-rework-facilities-national-emission", "source_category": "Aerospace", "source_quote": "The Hazardous Air Pollutants (HAP) listed in Section 112(b)(1) of the Clean Air Act emitted by aerospace facilities that are covered by this final rule include: chromium, cadmium, methylene chloride, toluene, xylene, methyl ethyl ketone, ethylene glycol and glycol ethers.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/aerospace/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 61 Subpart M", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/asbestos-national-emission-standards-hazardous-air-pollutants", "id": "asbestos", "key_haps_regulated": "asbestos", "most_recent_amendment_date": "2004-07-20", "original_final_rule_date": "1973-04-06", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/asbestos-national-emission-standards-hazardous-air-pollutants", "source_category": "Asbestos", "source_quote": "EPA's air toxics regulation for asbestos is intended to minimize the release of asbestos fibers during activities involving the handling of asbestos.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/asbestos/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart LLLLL", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/asphalt-processing-and-asphalt-roofing-manufacturing-national", "id": "asphalt-processing-and-asphalt-roofing-manufacturing", "most_recent_amendment_date": "2020-03-12", "original_final_rule_date": "2003-05-07", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/asphalt-processing-and-asphalt-roofing-manufacturing-national", "source_category": "Asphalt Processing and Asphalt Roofing Manufacturing", "source_quote": "This regulation applies to sources of air toxics in two separate source categories: asphalt processing facilities and asphalt roofing manufacturing facilities. Asphalt processing facilities produce “blown” asphalt for use in the asphalt roofing manufacturing industry and elsewhere. Asphalt roofing manufacturing facilities produce shingles and roll roofing products by applying the “blown” asphalt to a fiberglass or felt substrate. Both types of facilities can be located together but asphalt processing facilities can also be located at refineries.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/asphalt-processing-and-asphalt-roofing-manufacturing/"}
{"cfr_subpart": "40 CFR 63 Subpart AAAAAAA (7A)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/asphalt-processing-and-asphalt-roofing-manufacturing-national-0", "id": "asphalt-processing-and-asphalt-roofing-manufacturing-area-sources", "most_recent_amendment_date": "2010-03-18", "original_final_rule_date": "2009-12-02", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/asphalt-processing-and-asphalt-roofing-manufacturing-national-0", "source_category": "Asphalt Processing and Asphalt Roofing Manufacturing (area sources)", "source_quote": "EPA is promulgating national emissions standards for the control of emissions of hazardous air pollutants (HAP) from the asphalt processing and asphalt roofing manufacturing area source category. These final emissions standards for new and existing sources are based upon EPA’s final determination as to what constitutes the generally available control technology or management practices (GACT) for the source category.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/asphalt-processing-and-asphalt-roofing-manufacturing-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart IIII", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-automobiles-and-light-duty-trucks-national", "id": "auto-and-light-duty-truck-surface-coating", "key_haps_regulated": "toluene, xylene, glycol ethers, methyl isobutyl ketone, methanol, methyl ethyl ketone", "most_recent_amendment_date": "2020-07-08", "original_final_rule_date": "2004-04-26", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-automobiles-and-light-duty-trucks-national", "source_category": "Auto and Light Duty Truck Surface Coating", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for automobile and light-duty truck surface coating operations located at major sources of hazardous air pollutants (HAP). The final rule implements section 112(d) of the Clean Air Act (CAA) by requiring these operations to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT). The primary HAP emitted by these operations are toluene, xylene, glycol ethers, methyl isobutyl ketone (MIBK), ethylbenzene, and methanol.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/auto-and-light-duty-truck-surface-coating/"}
{"cfr_subpart": "40 CFR 61 Subpart BB", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/benzene-transfer-operations-national-emission-standards-hazardous", "id": "benzene-transfer-operations", "key_haps_regulated": "benzene", "most_recent_amendment_date": "1990-10-31", "original_final_rule_date": "1990-03-07", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/benzene-transfer-operations-national-emission-standards-hazardous", "source_category": "Benzene Transfer Operations", "source_quote": "The March 1990 National Emission Standards for Benzene Transfer Operations controls hazardous air emissions when benzene is loaded into take trucks, railcars, or marine vessels at benzene production facilities and bulk terminals.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/benzene-transfer-operations/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 61 Subpart FF", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/benzene-waste-operations-national-emission-standards-hazardous-air", "id": "benzene-waste-operations", "most_recent_amendment_date": "2003-12-04", "original_final_rule_date": "1990-03-07", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/benzene-waste-operations-national-emission-standards-hazardous-air", "source_category": "Benzene Waste Operations", "source_quote": "Benzene Waste Operations: National Emission Standards for Hazardous Air Pollutants Benzene Waste Operations: National Emission Standards for Hazardous Air Pollutants Basic Information Legal Authorities 42 U.S.C. §7401 Federal Register Citations 68 FR 67932 68 FR 6082 67 FR 68546 55 FR 8346 Code of Federal Regulations Citations 40 CFR Part 61 Subpart FF Docket Numbers EPA-HQ-OAR-2003-0147 On this page: Rule Summary Rule History Additional Resources Rule Summary These standards apply to equipment and processes at certain chemical manufacturing plants, coke byproduct recovery plants, petroleum refineries, and facilities that treat, store, or dispose of waste generated by those facilities. See the regulations below for more details. Rule History 12/04/2003 - Final Rule;", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/benzene-waste-operations/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 61 Subpart C", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/beryllium-national-emissions-standards-hazardous-air-pollutants", "id": "beryllium", "key_haps_regulated": "a determination from the Administrator that sources of beryllium emissions should be controlled such that ambient air does not contain beryllium at air levels higher than 0", "most_recent_amendment_date": "1973-04-06", "original_final_rule_date": "1973-04-06", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/beryllium-national-emissions-standards-hazardous-air-pollutants", "source_category": "Beryllium", "source_quote": "On April 6, 1973, the U.S. EPA promulgated the National Emissions Standards for Hazardous Air Pollutants for Beryllium. The standards include a determination from the Administrator that sources of beryllium emissions should be controlled such that ambient air does not contain beryllium at air levels higher than 0.01 micrograms per cubic meter over a 30 day average.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/beryllium/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 61 Subpart D", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/beryllium-rocket-motor-firing-national-emission-standards", "id": "beryllium-rocket-motor-firing", "key_haps_regulated": "beryllium", "most_recent_amendment_date": "1973-04-06", "original_final_rule_date": "1973-04-06", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/beryllium-rocket-motor-firing-national-emission-standards", "source_category": "Beryllium Rocket Motor Firing", "source_quote": "The National Emission Standard for Beryllium Rocket Motor Firing is applicable to rocket motor test sites which are defined as any building, structure, facility, or installation where the static test firing of a beryllium rocket motor and/or the disposal of beryllium propellant is conducted. The rule limits the amount of beryllium emitted into the atmosphere.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/beryllium-rocket-motor-firing/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart VVVV", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/boat-manufacturing-national-emission-standards-hazardous-air", "id": "boat-manufacturing", "key_haps_regulated": "styrene, methyl methacrylate (MMA), methylene chloride (dichloromethane), toluene, xylene, n-hexane, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and methyl chloroform (1,1,1- trichloroethane)", "most_recent_amendment_date": "2020-03-20", "original_final_rule_date": "2001-08-22", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/boat-manufacturing-national-emission-standards-hazardous-air", "source_category": "Boat Manufacturing", "source_quote": "The EPA has identified boat manufacturing as a major source of hazardous air pollutants (HAP), such as styrene, methyl methacrylate (MMA), methylene chloride (dichloromethane), toluene, xylene, n-hexane, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and methyl chloroform (1,1,1- trichloroethane).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/boat-manufacturing/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart JJJJJ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/brick-and-structural-clay-products-national-emission-standards", "id": "brick-and-structural-clay-products-manufacturing-see-also-clay-ceramics", "key_haps_regulated": "mercury, particulate matter, metals, and acid gases", "most_recent_amendment_date": "2015-12-04", "original_final_rule_date": "2003-05-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/brick-and-structural-clay-products-national-emission-standards", "source_category": "Brick and Structural Clay Products Manufacturing (see also Clay Ceramics)", "source_quote": "This major source rule covers brick and structural clay (BSCP) facilities that produce brick and clay for construction purposes. The affected sources are all tunnel kilns at a BSCP manufacturing facility; and each periodic kiln. Tunnel kilns are fired by natural gas or other fuels, including sawdust. Pollutants regulated are mercury, particulate matter, metals, and acid gases.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/brick-and-structural-clay-products-manufacturing-see-also-clay-ceramics/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart MMMMMM (6M)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/carbon-black-production-area-sources-national-emission-standards", "id": "carbon-black-production-area-sources", "key_haps_regulated": "benzene, organic hap", "most_recent_amendment_date": "2008-03-26", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/carbon-black-production-area-sources-national-emission-standards", "source_category": "Carbon Black Production (area sources)", "source_quote": "The Carbon Black Production area source category includes any facility that produces carbon black by the furnace black process, thermal black process, or the acetylene decomposition process, but at an emissions rate of 10 tons per year for one", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/carbon-black-production-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart VVVVVV (6V)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/chemical-manufacturing-area-sources-national-emission-standards", "id": "chemical-manufacturing-industry-area-sources-cmas", "key_haps_regulated": "hazardous air pollutants from nine area source categories in the chemical manufacturing sector", "most_recent_amendment_date": "2026-04-01", "original_final_rule_date": "2009-10-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/chemical-manufacturing-area-sources-national-emission-standards", "source_category": "Chemical Manufacturing Industry (area sources): CMAS", "source_quote": "These national emission standards are for the control of hazardous air pollutants for nine area source categories in the chemical manufacturing sector: Agricultural Chemicals and Pesticides Manufacturing, Cyclic Crude and Intermediate Production, Industrial Inorganic Chemical Manufacturing, Industrial Organic Chemical Manufacturing, Inorganic Pigments Manufacturing, Miscellaneous Organic Chemical Manufacturing, Plastic Materials and Resins Manufacturing, Pharmaceutical Production, and Synthetic Rubber Manufacturing.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/chemical-manufacturing-industry-area-sources-cmas/"}
{"cfr_subpart": "40 CFR 63 Subpart BBBBBBB (7B)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/chemical-preparations-industry-national-emission-standards", "id": "chemical-preparations-industry-area-sources", "key_haps_regulated": "particulate matter, chromium, lead, manganese, nickel", "most_recent_amendment_date": "2009-12-30", "original_final_rule_date": "2009-12-30", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Chemical Preparations Industry (area sources)", "source_quote": "Chemical Preparations Industry (area sources) | 40 CFR 63 Subpart BBBBBBB (7B)", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/chemical-preparations-industry-area-sources/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart NNNNNN (6N)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/chromium-compounds-national-emission-standards-hazardous-air", "id": "chromium-compounds-area-sources", "key_haps_regulated": "chromium, particulate matter", "most_recent_amendment_date": "2008-03-28", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/chromium-compounds-national-emission-standards-hazardous-air", "source_category": "Chromium Compounds (area sources)", "source_quote": "The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Chromium Compounds Manufacturing Area Sources were initially proposed in April 2007 and finalized in July 2007. These air toxics standards for chromium compounds manufacturing area sources regulate emissions of particulate matter (PM).", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/chromium-compounds-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart RRRRRR (6R)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/clay-ceramics-manufacturing-area-sources-national-emission", "id": "clay-ceramics-manufacturing-area-sources", "key_haps_regulated": "particulate matter", "most_recent_amendment_date": "2007-12-26", "original_final_rule_date": "2007-12-26", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Clay Ceramics Manufacturing (area sources)", "source_quote": "Clay Ceramics Manufacturing (area sources) | 40 CFR 63 Subpart RRRRRR (6R)", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/clay-ceramics-manufacturing-area-sources/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart KKKKK", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/clay-ceramics-manufacturing-national-emission-standards-hazardous", "id": "clay-ceramics-manufacturing-see-also-brick-and-clay-products", "key_haps_regulated": "acid gases, particulate matter, metals, and mercury", "most_recent_amendment_date": "2019-11-01", "original_final_rule_date": "2003-05-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Clay Ceramics Manufacturing (see also Brick and Clay Products)", "source_quote": "Clay Ceramics Manufacturing (see also Brick and Clay Products) | 40 CFR 63 Subpart KKKKK", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/clay-ceramics-manufacturing-see-also-brick-and-clay-products/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart UUUUU", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/mercury-and-air-toxics-standards", "id": "coal-and-oil-fired-electric-utility-steam-generating-units-mercury-and-air-toxic", "key_haps_regulated": "mercury and other hazardous air pollutants", "most_recent_amendment_date": "2026-02-24", "original_final_rule_date": "2012-02-16", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/mercury-and-air-toxics-standards", "source_category": "Coal- and Oil-Fired Electric Utility Steam Generating Units (Mercury and Air Toxics Standards)", "source_quote": "EPA set technology-based emissions standards for mercury and other hazardous air pollutants (HAP) emitted by units with a capacity of more than 25 megawatts.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/coal-and-oil-fired-electric-utility-steam-generating-units-mercury-and-air-toxic/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 61 Subpart L", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/coke-oven-product-recovery-plants-national-emissions-standards", "id": "coke-oven-by-product-recovery-plants", "key_haps_regulated": "benzene", "most_recent_amendment_date": "1999-02-12", "original_final_rule_date": "1989-09-14", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Coke Oven By-product Recovery Plants", "source_quote": "Coke Oven By-product Recovery Plants | 40 CFR 61 Subpart L", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/coke-oven-by-product-recovery-plants/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart L", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/coke-ovens-batteries-national-emissions-standards-hazardous-air", "id": "coke-ovens-charging-top-side-and-door-leaks", "key_haps_regulated": "benzene", "most_recent_amendment_date": "2024-07-05", "original_final_rule_date": "1993-10-27", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/coke-ovens-batteries-national-emissions-standards-hazardous-air", "source_category": "Coke Ovens: Charging, Top Side, and Door Leaks", "source_quote": "Following a technology review for the Coke Ovens Batteries NESHAP, conducted in accordance with the Clean Air Act, EPA finalized:", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/coke-ovens-charging-top-side-and-door-leaks/"}
{"cfr_subpart": "40 CFR 63 Subpart CCCCC", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/coke-ovens-pushing-quenching-and-battery-stacks-national-emission", "id": "coke-ovens-pushing-quenching-and-battery-stacks", "key_haps_regulated": "benzene, mercury, lead and arsenic that are emitted by coke oven facilities", "most_recent_amendment_date": "2024-07-05", "original_final_rule_date": "2003-04-14", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/coke-ovens-pushing-quenching-and-battery-stacks-national-emission", "source_category": "Coke Ovens: Pushing, Quenching, and Battery Stacks", "source_quote": "The Environmental Protection Agency (EPA) finalized amendments to update and strengthen emission standards for hazardous air pollutants (HAP) such as benzene, mercury, lead and arsenic that are emitted by coke oven facilities.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/coke-ovens-pushing-quenching-and-battery-stacks/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart YYYYY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/electric-arc-furnace-steelmaking-facilities-national-emission", "id": "electric-arc-furnace-steelmaking-facilities-area-sources", "key_haps_regulated": "mercury", "most_recent_amendment_date": "2007-12-28", "original_final_rule_date": "2007-12-28", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/electric-arc-furnace-steelmaking-facilities-national-emission", "source_category": "Electric Arc Furnace Steelmaking Facilities (area sources)", "source_quote": "These national emission standards cover electric arc furnace steelmaking facilities that are area sources of hazardous air pollutants. The final rule establishes requirements for the control of mercury emissions that are based on the maximum achievable control technology and requirements for the control of other hazardous air pollutants that are based on generally available control technology or management practices.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/electric-arc-furnace-steelmaking-facilities-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart PPPPP", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/engine-test-cellsstands-national-emission-standards-hazardous-air", "id": "engine-test-cells-stands-see-also-beryllium-rocket-motor-firing", "key_haps_regulated": "toluene, benzene", "most_recent_amendment_date": "2020-06-03", "original_final_rule_date": "2003-05-27", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/engine-test-cellsstands-national-emission-standards-hazardous-air", "source_category": "Engine Test Cells/Stands (see also Beryllium Rocket Motor Firing)", "source_quote": "On May 27, 2003 EPA published the final national emission standards for hazardous air pollutants (NESHAP) for engine test cells/stands. Engine test cells/stands are used in a variety of applications to develop, characterize and test engines.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/engine-test-cells-stands-see-also-beryllium-rocket-motor-firing/"}
{"cfr_subpart": "40 CFR 63 Subpart O", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/ethylene-oxide-emissions-standards-sterilization-facilities", "id": "ethylene-oxide-emission-standards-for-sterilization-facilities-see-also-hospital", "key_haps_regulated": "ethylene oxide", "most_recent_amendment_date": "2024-04-05", "original_final_rule_date": "1994-12-06", "rtr_status": "pending", "source": "https://www.epa.gov/stationary-sources-air-pollution/ethylene-oxide-emissions-standards-sterilization-facilities", "source_category": "Ethylene Oxide Emission Standards for Sterilization Facilities (see also Hospital Ethylene Oxide Sterilizers)", "source_quote": "These standards implement section 112 of the Clean Air Act and are based on the Administrator's determination that commercial sterilization and fumigation operations emit ethylene oxide, a pollutant identified in the Act list of 189 hazardous air pollutants (HAP).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/ethylene-oxide-emission-standards-for-sterilization-facilities-see-also-hospital/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart OOOO", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/printing-coating-and-dyeing-fabrics-and-other-textiles-national", "id": "fabric-printing-coating-and-dyeing", "key_haps_regulated": "toluene, methyl ethyl ketone (MEK), methanol, xylenes, methyl isobutyl ketone (MIBK), methylene chloride, trichloroethylene, n-hexane, glycol ethers (ethylene glycol), and formaldehyde", "most_recent_amendment_date": "2020-07-08", "original_final_rule_date": "2003-05-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/printing-coating-and-dyeing-fabrics-and-other-textiles-national", "source_category": "Fabric Printing, Coating and Dyeing", "source_quote": "The final standards implement section 112(d) of the Clean Air Act (CAA) by requiring all major sources to meet the hazardous air pollutants (HAP) emission standards reflecting the application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/fabric-printing-coating-and-dyeing/"}
{"cfr_subpart": "40 CFR 63 Subpart YYYYYY (6Y)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/ferroalloys-production-facilities-national-emission-standards", "id": "ferroalloys-production-area-sources", "most_recent_amendment_date": "2008-12-23", "original_final_rule_date": "2008-12-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/ferroalloys-production-facilities-national-emission-standards", "source_category": "Ferroalloys Production (area sources)", "source_quote": "EPA issued final national emissions standards for control of hazardous air pollutants (HAP) for area source ferroalloys production facilities. The final emissions standards for new and existing sources reflect EPA’s determination regarding the generally available control technology (GACT) or management practices for the source category.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/ferroalloys-production-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart XXX", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/ferromanganese-and-silicomanganese-production-national-emission", "id": "ferroalloys-production-major-sources", "key_haps_regulated": "particulate matter, formaldehyde, hydrogen chloride, mercury, pah", "most_recent_amendment_date": "2015-06-30", "original_final_rule_date": "1999-05-20", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/ferromanganese-and-silicomanganese-production-national-emission", "source_category": "Ferroalloys Production (major sources)", "source_quote": "Emissions limits for particulate matter (PM) from stacks for the electric arc furnaces (EAF), metal oxygen refining (MOR) processes, and crushing and screening operations to minimize PM emissions from these units;", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/ferroalloys-production-major-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart MMMMM", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-fabrication-operations-national", "id": "flexible-polyurethane-foam-fabrication-operation", "key_haps_regulated": "hydrochloric acid (HCl), 2,4-toluene diisocyanate (TDI), and hydrogen cyanide (HCN)", "most_recent_amendment_date": "2003-04-14", "original_final_rule_date": "2003-04-14", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-fabrication-operations-national", "source_category": "Flexible Polyurethane Foam Fabrication Operation", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for new and existing sources at flexible polyurethane foam fabrication facilities. EPA has identified flexible polyurethane foam fabrication facilities as major", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/flexible-polyurethane-foam-fabrication-operation/"}
{"cfr_subpart": "40 CFR 63 Subpart III", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-production-national-emission-standards", "id": "flexible-polyurethane-foam-production", "key_haps_regulated": "methylene chloride, toluene, methyl chloroform, methyl ethyl ketone, methanol", "most_recent_amendment_date": "2014-08-15", "original_final_rule_date": "1998-10-07", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-production-national-emission-standards", "source_category": "Flexible Polyurethane Foam Production", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for new and existing plant sites that manufacture flexible polyurethane foam. The original technology-based rule, issued in 1998, controlled emission of methylene chloride, 2,4-toluene diisocyanate (TDI), methyl chloroform, methylene diphenyl diisocyanate (MDI), propylene oxide, diethanolamine, methyl ethyl ketone, methanol and toluene. Methylene chloride comprised over 98 percent of the total hazardous air pollutant emissions from the industry.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/flexible-polyurethane-foam-production/"}
{"cfr_subpart": "40 CFR 63 Subpart OOOOOO (6-O)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-production-and-fabrication-national", "id": "flexible-polyurethane-foam-production-and-fabrication-area-sources", "key_haps_regulated": "methylene chloride", "most_recent_amendment_date": "2021-11-18", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/flexible-polyurethane-foam-production-and-fabrication-national", "source_category": "Flexible Polyurethane Foam Production and Fabrication (area sources)", "source_quote": "The final National Emission Standards for Hazardous Air Pollutants (NESHAP) prohibits the use of methylene chloride at foam fabrication operations. Area sources of flexible polyurethane foam fabrication cut or bond flexible polyurethane foam pieces", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/flexible-polyurethane-foam-production-and-fabrication-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart QQQQQ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/friction-materials-manufacturing-facilities-national-emission", "id": "friction-products-manufacturing", "most_recent_amendment_date": "2002-10-18", "original_final_rule_date": "2002-10-18", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/friction-materials-manufacturing-facilities-national-emission", "source_category": "Friction Products Manufacturing", "source_quote": "This regulation reduces emissions of air toxics from facilities that manufacture friction materials. Air toxics are known or suspected to cause cancer or other serious health problems. Friction materials include brake and clutch linings, and are used in brake and clutch assemblies.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/friction-products-manufacturing/"}
{"cfr_subpart": "40 CFR 63 Subpart CCCCCC (6C)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-dispensing-area-sources-national-emission-standards", "id": "gasoline-dispensing-facilities-area-sources", "most_recent_amendment_date": "2011-01-24", "original_final_rule_date": "2008-01-10", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-dispensing-area-sources-national-emission-standards", "source_category": "Gasoline Dispensing Facilities (area sources)", "source_quote": "This rule promulgates national emission standards for hazardous air pollutants for gasoline dispensing facilities. Gasoline dispensing facilities receive gasoline via gasoline cargo tanks from gasoline distribution facilities. Air toxics are released during the delivery of gasoline into storage tanks.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/gasoline-dispensing-facilities-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart BBBBBB (6B)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-distribution-mact-and-gact-national-emission-standards", "id": "gasoline-distribution-bulk-terminals-bulk-plants-and-pipeline-facilities-area-so", "most_recent_amendment_date": "2024-05-08", "original_final_rule_date": "1994-12-14", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-distribution-mact-and-gact-national-emission-standards", "source_category": "Gasoline Distribution Bulk Terminals, Bulk Plants, and Pipeline Facilities (area sources)", "source_quote": "These actions promulgate national emission standards for hazardous air pollutants for the facilities in the gasoline distribution source category. Gasoline distribution facilities transfer and store gasoline as it is distributed from petroleum refineries to gasoline dispensing facilities. Air toxics are released during gasoline cargo tank loading, during gasoline storage, and from leaks from equipment in gasoline service.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/gasoline-distribution-bulk-terminals-bulk-plants-and-pipeline-facilities-area-so/"}
{"cfr_subpart": "40 CFR 63 Subpart R", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-distribution-mact-and-gact-national-emission-standards", "id": "gasoline-distribution-major-sources", "most_recent_amendment_date": "2024-05-08", "original_final_rule_date": "1994-12-14", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/gasoline-distribution-mact-and-gact-national-emission-standards", "source_category": "Gasoline Distribution (major sources)", "source_quote": "These actions promulgate national emission standards for hazardous air pollutants for the facilities in the gasoline distribution source category. Gasoline distribution facilities transfer and store gasoline as it is distributed from petroleum refineries to gasoline dispensing facilities. Air toxics are released during gasoline cargo tank loading, during gasoline storage, and from leaks from equipment in gasoline service.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/gasoline-distribution-major-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-i-acetal-resins", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT I - Acetal Resins", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-i-acetal-resins/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-i-acrylic-modacrylic-fibers", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT I - Acrylic/Modacrylic Fibers", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-i-acrylic-modacrylic-fibers/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-i-hydrogen-floride", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT I - Hydrogen Floride", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-i-hydrogen-floride/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-i-polycarbonates-production", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT I - Polycarbonates Production", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-i-polycarbonates-production/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-ii-carbon-black-production", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT II - Carbon Black Production", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-ii-carbon-black-production/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-ii-cyanide-chemicals-manufacturing", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT II - Cyanide Chemicals Manufacturing", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-ii-cyanide-chemicals-manufacturing/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-ii-ethylene-processes", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT II - Ethylene Processes", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-ii-ethylene-processes/"}
{"cfr_subpart": "40 CFR 63 Subpart YY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "id": "generic-mact-ii-spandex-production", "key_haps_regulated": "hydrogen fluoride, cyanide", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "1999-06-29", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen", "source_category": "Generic MACT II - Spandex Production", "source_quote": "This regulation sets standards for multiple source categories including: acetyl resins production, hydrogen fluoride production, polycarbonate, ethylene and cyanide chemical production. The rule includes requirements that are source category specific, and requirements that apply to all source categories that are regulated under the generic maximum achievable control technology (GMACT) standards subpart (e.g., general recordkeeping, reporting, compliance, operation, and maintenance requirements).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/generic-mact-ii-spandex-production/"}
{"cfr_subpart": "40 CFR 63 Subpart SSSSSS (6S)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/glass-manufacturing-area-sources-national-emission-standards", "id": "glass-manufacturing-area-sources", "key_haps_regulated": "metal hap", "most_recent_amendment_date": "2007-12-26", "original_final_rule_date": "2007-12-26", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/glass-manufacturing-area-sources-national-emission-standards", "source_category": "Glass Manufacturing (area sources)", "source_quote": "This National Emission Standards for Hazardous Air Pollutants (NESHAP) applies to any glass manufacturing plant that is an area source of hazardous air pollutants (HAP) emissions and operates one or more continuous furnaces which produce at least 45 Mg/yr (50 tpy) of glass per furnace by melting a mixture of raw materials that includes compounds of one or more of the glass manufacturing metal HAP.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/glass-manufacturing-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 61 Subpart N", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-glass-manufacturing-plants-national", "id": "glass-manufacturing-inorganic-arsenic", "key_haps_regulated": "arsenic", "most_recent_amendment_date": "1986-08-04", "original_final_rule_date": "1986-08-04", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-glass-manufacturing-plants-national", "source_category": "Glass Manufacturing - Inorganic Arsenic", "source_quote": "This is a part 61 (i.e., old) National Emission Standard for Hazardous Air Pollutants (NESHAP). It regulates arsenic emissions from glass manufacturing furnaces.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/glass-manufacturing-inorganic-arsenic/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart EEEEEEE (7E)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/gold-mine-ore-processing-and-production-national-emission", "id": "gold-mine-ore-processing-and-production-area-sources", "key_haps_regulated": "mercury", "most_recent_amendment_date": "2011-02-17", "original_final_rule_date": "2011-02-17", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/gold-mine-ore-processing-and-production-national-emission", "source_category": "Gold Mine Ore Processing and Production (area sources)", "source_quote": "On February 17, 2011, the U.S. Environmental Protection Agency (EPA) promulgated National Emissions Standards for Hazardous Air Pollutants for gold ore processing and production facilities, the seventh largest source of mercury air emission in the United States.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/gold-mine-ore-processing-and-production-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart T", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/halogenated-solvent-cleaning-national-emission-standards-0", "id": "halogenated-solvent-cleaning", "key_haps_regulated": "methylene chloride, perchloroethylene, carbon tetrachloride, chloroform", "most_recent_amendment_date": "2007-05-03", "original_final_rule_date": "1994-12-02", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/halogenated-solvent-cleaning-national-emission-standards-0", "source_category": "Halogenated Solvent Cleaning", "source_quote": "Final Rule and Test Method 11/29/1993 - Proposed Rule and Test Method & Notice of Public Hearing 03/31/1993 - Notice Additional Resources Fact Sheet: Halogenated Solvent Cleaning", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/halogenated-solvent-cleaning/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart EEE", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/hazardous-waste-combustors-national-emission-standards-hazardous", "id": "hazardous-waste-combustors", "key_haps_regulated": "hydrochloric acid", "most_recent_amendment_date": "2024-07-12", "original_final_rule_date": "1998-06-19", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/hazardous-waste-combustors-national-emission-standards-hazardous", "source_category": "Hazardous Waste Combustors", "source_quote": "hazardous waste combustors (HWCs): hazardous waste burning incinerators, cement kilns, lightweight aggregate kilns, industrial/commercial/institutional boilers and process heaters, and hydrochloric acid production furnaces. EPA has identified HWCs as major sources of hazardous air pollutant (HAP) emissions.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/hazardous-waste-combustors/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart WWWWW", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/hospital-ethylene-oxide-sterilizers-national-emission-standards", "id": "hospital-ethylene-oxide-sterilizers-area-sources-see-also-ethylene-oxide-sterili", "key_haps_regulated": "ethylene oxide", "most_recent_amendment_date": "2007-12-28", "original_final_rule_date": "2007-12-28", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/hospital-ethylene-oxide-sterilizers-national-emission-standards", "source_category": "Hospital Ethylene Oxide Sterilizers (area sources) (see also Ethylene Oxide Sterilizers)", "source_quote": "This final rule applies to any existing or new hospital ethylene oxide sterilization facility that is an area source of hazardous air pollutants (HAP). The owner or operator of an existing area source must comply with this area source National Emission Standards for Hazardous Air Pollutants (NESHAP) by December 29, 2008. The owner or operator of a new area source must comply with this area source NESHAP by December 28, 2007 or upon initial startup, whichever is later.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/hospital-ethylene-oxide-sterilizers-area-sources-see-also-ethylene-oxide-sterili/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart NNNNN", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/hydrochloric-acid-production-national-emission-standards-hazardous", "id": "hydrochloric-acid-production", "key_haps_regulated": "hydrochloric acid, chlorine", "most_recent_amendment_date": "2020-04-15", "original_final_rule_date": "2003-04-17", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/hydrochloric-acid-production-national-emission-standards-hazardous", "source_category": "Hydrochloric Acid Production", "source_quote": "The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Hydrochloric Acid Production were initially proposed in 2001 and finalized in 2003. In this rule, EPA regulates HCl and chlorine emissions from HCl production facilities.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/hydrochloric-acid-production/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart DDDDD", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/industrial-commercial-and-institutional-boilers-and-process-0", "id": "industrial-commercial-and-institutional-boilers-and-process-heaters-major-source", "key_haps_regulated": "mercury, hydrogen chloride, particulate matter", "most_recent_amendment_date": "2022-10-06", "original_final_rule_date": "2004-09-13", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Industrial, Commercial and Institutional Boilers and Process Heaters (major sources)", "source_quote": "Industrial, Commercial and Institutional Boilers and Process Heaters (major sources) | 40 CFR 63 Subpart DDDDD", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/industrial-commercial-and-institutional-boilers-and-process-heaters-major-source/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart Q", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/industrial-process-cooling-towers-national-emission-standards", "id": "industrial-process-cooling-towers", "key_haps_regulated": "chromium", "most_recent_amendment_date": "2006-04-07", "original_final_rule_date": "1994-09-08", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/industrial-process-cooling-towers-national-emission-standards", "source_category": "Industrial Process Cooling Towers", "source_quote": "The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial Cooling Towers set standards for emissions of chromium compounds, which are released into the atmosphere from the cooling tower during the cooling process.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/industrial-process-cooling-towers/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 61 Subpart O", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-primary-copper-smelters-national", "id": "inorganic-arsenic-emissions-from-primary-copper-smelters", "key_haps_regulated": "arsenic, particulate matter", "most_recent_amendment_date": "1986-08-04", "original_final_rule_date": "1986-08-04", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-primary-copper-smelters-national", "source_category": "Inorganic Arsenic Emissions from Primary Copper Smelters", "source_quote": "On August 4, 1986, the EPA promulgated national emission standards for hazardous air pollutants (NESHAP), specifically inorganic arsenic emissions, from a number of source categories, including Primary Copper Smelters, glass manufacturing plants, and arsenic plants. The standards for Primary Copper Smelters include design, equipment, work practice, and operational requirements to limit arsenic emissions, and the rule includes emissions limits for particulate matter from certain process units.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/inorganic-arsenic-emissions-from-primary-copper-smelters/"}
{"cfr_subpart": "40 CFR 61 Subpart P", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-arsenic-trioxide-and-metallic-arsenic", "id": "inorganic-arsenic-from-arsenic-trioxide-and-metallic-arsenic-production", "key_haps_regulated": "primary copper smelters, glass manufacturing plants, and arsenic plants", "most_recent_amendment_date": "1986-08-04", "original_final_rule_date": "1986-08-04", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/inorganic-arsenic-emissions-arsenic-trioxide-and-metallic-arsenic", "source_category": "Inorganic Arsenic from Arsenic trioxide and Metallic Arsenic Production", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP), specifically inorganic arsenic emissions, from a number of source categories. Those source categories include primary copper smelters, glass manufacturing plants, and arsenic plants.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/inorganic-arsenic-from-arsenic-trioxide-and-metallic-arsenic-production/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart FFFFF", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/integrated-iron-and-steel-manufacturing-national-emission", "id": "integrated-iron-and-steel", "key_haps_regulated": "metals (primarily manganese and lead with small quantities of other metals) and trace amounts of organic HAP (such as polycyclic organic matter, benzene, and carbon disulfide)", "most_recent_amendment_date": "2025-03-31", "original_final_rule_date": "2003-05-20", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/integrated-iron-and-steel-manufacturing-national-emission", "source_category": "Integrated Iron and Steel", "source_quote": "This rule establishes national emission standards for hazardous air pollutants (NESHAP) for integrated iron and steel manufacturing facilities. The final standards establish emission limitations for hazardous air pollutants (HAP) emitted from new and existing sinter plants, blast furnaces, and basic oxygen process furnace (BOPF) shops. The final standards will implement section 112(d) of the Clean Air Act (CAA) by requiring all major sources to meet HAP emission standards reflecting application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/integrated-iron-and-steel/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart ZZZZZ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/iron-and-steel-foundries-national-emission-standards-hazardous-air", "id": "iron-and-steel-foundries-area-sources", "most_recent_amendment_date": "2020-09-10", "original_final_rule_date": "2008-01-02", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/iron-and-steel-foundries-national-emission-standards-hazardous-air", "source_category": "Iron and Steel Foundries (area sources)", "source_quote": "EPA issued final national emissions standards for control of hazardous air pollutants (HAP) for area source iron and steel foundries. The final emissions standards for new and existing sources reflect EPA’s determination regarding the generally available control technology (GACT) or management practices for the source category.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/iron-and-steel-foundries-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart EEEEE", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/iron-and-steel-foundries-national-emissions-standards-hazardous", "id": "iron-and-steel-foundries-major-sources", "key_haps_regulated": "metal hap, lead, manganese, cadmium, chromium, nickel, organic hap, benzene, formaldehyde, methanol, naphthalene, toluene, xylene", "most_recent_amendment_date": "2020-09-10", "original_final_rule_date": "2004-04-22", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/iron-and-steel-foundries-national-emissions-standards-hazardous", "source_category": "Iron and Steel Foundries (major sources)", "source_quote": "This rule sets national emission standards for hazardous air pollutants (NESHAP) for iron and steel foundries. The EPA has identified iron and steel foundries as a major source of hazardous air pollutant (HAP) emissions. These proposed standards will implement section 112(d) of the Clean Air Act (CAA) by requiring all major sources to meet HAP emissions standards reflecting application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/iron-and-steel-foundries-major-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart NNNN", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-large-appliances-national-emission-standards", "id": "large-appliances-surface-coating", "key_haps_regulated": "glycol ethers, methyl ethyl ketone, toluene, xylene", "most_recent_amendment_date": "2020-07-08", "original_final_rule_date": "2002-07-23", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-large-appliances-national-emission-standards", "source_category": "Large Appliances Surface Coating", "source_quote": "These final standards implement section 112(d) of the Clean Air Act (CAA) which requires the Administrator to regulate emissions of hazardous air pollutants (HAP) listed in section 112(b) of the CAA. The intent of the standards is to protect the public by requiring new and existing major sources to control emissions to the level attainable by implementing the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/large-appliances-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart PPPPPP (6P)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/lead-acid-battery-manufacturing-area-sources-national-emission", "id": "lead-acid-battery-manufacturing-area-sources", "key_haps_regulated": "lead, cadmium", "most_recent_amendment_date": "2008-03-26", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/lead-acid-battery-manufacturing-area-sources-national-emission", "source_category": "Lead Acid Battery Manufacturing (area sources)", "source_quote": "This final national emission standard for hazardous air pollutants (NESHAP) applies to new and existing lead acid battery manufacturing plants that are area sources.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/lead-acid-battery-manufacturing-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart TTTT", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/leather-finishing-operations-national-emission-standards-hazardous", "id": "leather-finishing-operations", "key_haps_regulated": "glycol ethers, toluene, and xylene", "most_recent_amendment_date": "2002-02-27", "original_final_rule_date": "2002-02-27", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/leather-finishing-operations-national-emission-standards-hazardous", "source_category": "Leather Finishing Operations", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for leather finishing operations. The EPA has identified these facilities as major sources of emissions of hazardous air pollutants (HAP), such as glycol ethers, toluene, and xylene. These NESHAP will implement section 112(d) of the Clean Air Act (CAA) by requiring all leather finishing operations that are major sources to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/leather-finishing-operations/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart AAAAA", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/lime-manufacturing-plants-national-emission-standards-hazardous", "id": "lime-manufacturing", "key_haps_regulated": "hydrogen chloride, mercury, organic hap, dioxin", "most_recent_amendment_date": "2024-12-04", "original_final_rule_date": "2004-01-05", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/lime-manufacturing-plants-national-emission-standards-hazardous", "source_category": "Lime Manufacturing", "source_quote": "3/12/25 -- Trump Administration Announces Reconsideration of Air Rules Regulating American Energy, Manufacturing, Chemical Sectors (NESHAPs)", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/lime-manufacturing/"}
{"cfr_subpart": "40 CFR 63 Subpart EE", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/magnetic-tape-manufacturing-operations-national-emission-standards", "id": "magnetic-tape-surface-coating", "key_haps_regulated": "methyl ethyl ketone (MEK), toluene, methyl isobutyl ketone (MIBK), toluene diisocyanate, ethylene glycol, methanol, xylenes, ethyl benzene, and acetaldehyde The HAP solvents that are used to the greatest extent are MEK, toluene, and MIBK", "most_recent_amendment_date": "1994-12-15", "original_final_rule_date": "1994-12-15", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/magnetic-tape-manufacturing-operations-national-emission-standards", "source_category": "Magnetic Tape Surface Coating", "source_quote": "This action promulgates final standards that limit the emissions of hazardous air pollutants (HAP) from existing and new magnetic tape manufacturing operations located at major sources. Magnetic tape manufacturing is part of the industrial paper coating category, which includes coating of foil and plastic film. Several solvent and particulate HAP are used in the magnetic tape manufacturing industry. The solvent HAP used in this industry include:", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/magnetic-tape-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart CCCC", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/manufacturing-nutritional-yeast-national-emission-standards", "id": "manufacturing-nutritional-yeast-formerly-bakers-yeast", "key_haps_regulated": "acetaldehyde", "most_recent_amendment_date": "2017-10-16", "original_final_rule_date": "2001-05-21", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/manufacturing-nutritional-yeast-national-emission-standards", "source_category": "Manufacturing Nutritional Yeast (formerly Bakers Yeast)", "source_quote": "The National Emission Standards for Hazardous Air Pollutants (NESHAP) for this sector was proposed in 1998 and promulgated in 2001. In these actions, the EPA identified acetaldehyde as the hazardous air pollutant (HAP) emitted in the largest quantities from the manufacturing of nutritional yeast. The standards for this sector consist of a volatile organic compound (VOC) concentration limit (as a surrogate for acetaldehyde) and a percent-of-batches requirement.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/manufacturing-nutritional-yeast-formerly-bakers-yeast/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart Y", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/marine-vessel-loading-operations-national-emission-standards", "id": "marine-vessel-loading-operations", "key_haps_regulated": "benzene, toluene, xylene, methanol", "most_recent_amendment_date": "2011-04-21", "original_final_rule_date": "1995-09-19", "rtr_status": "pending", "source": "https://www.epa.gov/stationary-sources-air-pollution/marine-vessel-loading-operations-national-emission-standards", "source_category": "Marine Vessel Loading Operations", "source_quote": "This action proposes amendments that are expected to yield significant emission reduction results without imposing burdensome cost on the industry. As proposed, this action would reduce emissions of hazardous air pollutants (HAP) by approximately 280 tons annually and volatile organic compounds (VOC) by approximately 3,500 tons annually. These pollutants include benzene, toluene, hexane, xylene, methanol, and ethyl benzene.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/marine-vessel-loading-operations/"}
{"cfr_subpart": "40 CFR 63 Subpart IIIII", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/mercury-cell-chloralkali-plants-national-emissions-standards", "id": "mercury-cell-chlor-alkali-plants", "key_haps_regulated": "mercury", "most_recent_amendment_date": "2022-05-06", "original_final_rule_date": "2003-12-19", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/mercury-cell-chloralkali-plants-national-emissions-standards", "source_category": "Mercury Cell Chlor-Alkali Plants", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP), specifically mercury emissions, from mercury cell chlor-alkali plants. The final rule limits mercury air emissions from these plants. The final rule implements", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/mercury-cell-chlor-alkali-plants/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 61 Subpart E", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/mercury-production-national-emissions-standard-hazardous-air", "id": "mercury-production", "key_haps_regulated": "mercury", "most_recent_amendment_date": "1987-03-19", "original_final_rule_date": "1973-04-06", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/mercury-production-national-emissions-standard-hazardous-air", "source_category": "Mercury Production", "source_quote": "Mercury Production:", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/mercury-production/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart KKKK", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-cans-national-emission-standards-hazardous", "id": "metal-can-surface-coating", "key_haps_regulated": "glycol ethers, xylenes, hexane, and methyl isobutyl ketone (MIBK)", "most_recent_amendment_date": "2003-11-13", "original_final_rule_date": "2003-11-13", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-cans-national-emission-standards-hazardous", "source_category": "Metal Can Surface Coating", "source_quote": "The final standards implement section 112(d) of the Clean Air Act (CAA) by requiring metal can surface coating operations to meet Hazardous Air Pollutant (HAP) emission standards reflecting the application of the maximum achievable control technology (MACT). The final rule will protect air quality and promote public health by reducing emissions of HAP from facilities in the metal can surface coating source category. The HAP emitted by these facilities include glycol ethers, xylenes, hexane, and methyl isobutyl ketone (MIBK).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/metal-can-surface-coating/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart SSSS", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-coil-national-emission-standards-hazardous", "id": "metal-coil-surface-coating", "key_haps_regulated": "glycol ethers, xylenes (isomers and mixtures), toluene, and isophorone", "most_recent_amendment_date": "2003-03-17", "original_final_rule_date": "2002-06-10", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-coil-national-emission-standards-hazardous", "source_category": "Metal Coil Surface Coating", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for new and existing sources that coat metal coil. The final rule implements section 112(d) of the Clean Air Act (CAA) and will require all new and existing metal coil coating operations that are major sources to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/metal-coil-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart XXXXXX (6X)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/metal-fabrication-and-finishing-source-categories-national", "id": "metal-fabrication-and-finishing-source-nine-categories-area-sources", "key_haps_regulated": "cadmium, chromium, lead, manganese, nickel", "most_recent_amendment_date": "2008-07-23", "original_final_rule_date": "2008-07-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/metal-fabrication-and-finishing-source-categories-national", "source_category": "Metal Fabrication and Finishing Source Nine Categories (area sources)", "source_quote": "On June 13, 2008 the Environmental Protection Agency (EPA) issued final national air toxics standards for smaller-emitting sources, known as area sources, for nine metal fabrication and finishing source categories. These standards affect any new or existing facility that performs metal fabrication or finishing operations which uses or emits compounds of cadmium, chromium, lead, manganese, and nickel; or uses or emits elemental forms of all except lead. The rule covers area sources in the following nine industries:", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/metal-fabrication-and-finishing-source-nine-categories-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart RRRR", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-furniture-national-emission-standards", "id": "metal-furniture-surface-coating", "key_haps_regulated": "xylene, toluene, glycol ethers, and ethylbenzene", "most_recent_amendment_date": "2019-03-15", "original_final_rule_date": "2003-05-23", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-metal-furniture-national-emission-standards", "source_category": "Metal Furniture Surface Coating", "source_quote": "The intent of the standards is to protect public health and the environment by requiring new and existing major sources to control emissions to the level attainable by implementing the maximum achievable control technology (MACT). Metal furniture surface coating operations emit HAP such as xylene, toluene, glycol ethers, and ethylbenzene. We anticipate that all new sources will take steps to reduce their actual and potential HAP emissions to below the major source threshold and avoid becoming subject to the NESHAP. Therefore, we are not attributing any HAP emission reduction for new sources to the rule. For existing major sources, we estimate compliance with the emission limits will result in a reduction of nationwide organic HAP emissions of 14,800 Mg/yr (16,300 tpy). This represents a reduction of approximately 73 percent from the baseline organic HAP emissions of 20,300 Mg/yr (22,308 tpy). Emissions of the HAP methyl ethyl ketone (MEK) and ethylene glycol monobutyl ether (EGBE) are included in the emission inventory and emission reduction estimates for this source category. Both HAP have been delisted since promulgation of the final rule. Rule History 07/8/2020 - Final Rule (July 2020) 03/15/2019 -", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/metal-furniture-surface-coating/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart DDD", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/mineral-wool-production-national-emissions-standards-hazardous-air", "id": "mineral-wool-production", "most_recent_amendment_date": "2015-07-29", "original_final_rule_date": "1999-06-01", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/mineral-wool-production-national-emissions-standards-hazardous-air", "source_category": "Mineral Wool Production", "source_quote": "This rule regulates air toxics emitted from mineral wool production processes. Open and closed cupolas are regulated as are the three designs of bonded lines.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/mineral-wool-production/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart HHHHH", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/miscellaneous-coating-manufacturing-national-emission-standards", "id": "miscellaneous-coating-manufacturing", "key_haps_regulated": "toluene, xylene, glycol ethers, and methyl isobutyl ketone", "most_recent_amendment_date": "2023-02-22", "original_final_rule_date": "2003-12-11", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/miscellaneous-coating-manufacturing-national-emission-standards", "source_category": "Miscellaneous Coating Manufacturing", "source_quote": "major sources to meet hazardous air pollutant (HAP) emission standards reflecting application of the maximum achievable control technology (MACT). The HAP emitted from miscellaneous coating manufacturing facilities include toluene, xylene, glycol ethers, and methyl isobutyl ketone.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/miscellaneous-coating-manufacturing/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart MMMM", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-miscellaneous-metal-parts-and-products-national", "id": "miscellaneous-metal-parts-and-products-surface-coating", "key_haps_regulated": "xylenes, toluene, methyl ethyl ketone (MEK), phenol, cresols/cresylic acid, glycol ethers (including ethylene glycol monobutyl ether(EGBE)), styrene, methyl isobutyl ketone (MIBK), and ethyl benzene", "most_recent_amendment_date": "2020-07-08", "original_final_rule_date": "2004-01-02", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-miscellaneous-metal-parts-and-products-national", "source_category": "Miscellaneous Metal Parts and Products Surface Coating", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for miscellaneous metal parts and products surface coating operations located at major sources of hazardous air pollutants (HAP). The final rule implements section 112(d) of the Clean Air Act (CAA) by requiring these operations to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/miscellaneous-metal-parts-and-products-surface-coating/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart AAAA", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/municipal-solid-waste-landfills-national-emission-standards", "id": "municipal-solid-waste-landfills", "key_haps_regulated": "vinyl chloride, benzene, toluene", "most_recent_amendment_date": "2022-02-03", "original_final_rule_date": "2003-01-16", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/municipal-solid-waste-landfills-national-emission-standards", "source_category": "Municipal Solid Waste Landfills", "source_quote": "The final rule is applicable to both major and area sources and contains the same requirements as the Emission Guidelines and New Source Performance Standards (EG/NSPS), promulgated in 1996. The final rule adds startup, shutdown, and malfunction (SSM) requirements, adds operating condition deviations for out-of-bounds monitoring parameters, requires timely control of bioreactor landfills, and changes the reporting frequency for one type of report.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/municipal-solid-waste-landfills/"}
{"cfr_subpart": "40 CFR 63 Subpart HHH", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/natural-gas-transmission-and-storage-facilities-national-emission", "id": "natural-gas-transmission-and-storage", "key_haps_regulated": "benzene, toluene", "most_recent_amendment_date": "2012-08-16", "original_final_rule_date": "1999-06-17", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/natural-gas-transmission-and-storage-facilities-national-emission", "source_category": "Natural Gas Transmission and Storage", "source_quote": "See all Clean Air Act regulatory actions for oil and natural gas operations", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/natural-gas-transmission-and-storage/"}
{"cfr_subpart": "40 CFR 63 Subpart ZZZZZZ (6Z)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/aluminum-copper-and-other-nonferrous-foundries-national-emission", "id": "nonferrous-foundries-aluminum-copper-and-other-area-sources", "key_haps_regulated": "beryllium, cadmium, chromium, lead, manganese, nickel", "most_recent_amendment_date": "2009-09-10", "original_final_rule_date": "2009-06-25", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/aluminum-copper-and-other-nonferrous-foundries-national-emission", "source_category": "Nonferrous Foundries: Aluminum, Copper, and Other (area sources)", "source_quote": "On June 15, 2009, the Environmental Protection Agency (EPA) finalized air toxics standards for smaller emitting aluminum foundries, copper foundries, and other nonferrous foundries. The final rule regulates emissions of a number of toxic air pollutants, such as beryllium, cadmium, chromium, lead, manganese, and nickel, which are known or suspected to cause cancer, other serious health problems and environmental damage.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/nonferrous-foundries-aluminum-copper-and-other-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart DD", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/site-waste-and-recovery-operations-oswro-national-emission", "id": "off-site-waste-recovery-operations", "key_haps_regulated": "organic hap", "most_recent_amendment_date": "2018-01-29", "original_final_rule_date": "1996-07-01", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/site-waste-and-recovery-operations-oswro-national-emission", "source_category": "Off-Site Waste Recovery Operations", "source_quote": "The 2015 final rule implements the Clean Air Act (CAA) section 112(d) to control hazardous air pollutants (HAP) emissions at major sources that receive certain wastes, used oil, and used solvents from off-site locations for storage, treatment, recovery, or disposal.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/off-site-waste-recovery-operations/"}
{"cfr_subpart": "40 CFR 63 Subpart HH", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/oil-and-natural-gas-production-facilities-national-emission", "id": "oil-and-natural-gas-production-includes-area-sources", "key_haps_regulated": "benzene, toluene", "most_recent_amendment_date": "2024-10-16", "original_final_rule_date": "1999-06-17", "rtr_status": "pending", "source": "https://www.epa.gov/stationary-sources-air-pollution/oil-and-natural-gas-production-facilities-national-emission", "source_category": "Oil and Natural Gas Production includes Area Sources", "source_quote": "The Environmental Protection Agency (EPA) issued final rules to reduce emissions of hazardous air pollutants (HAPs) from oil and natural gas production facilities as well as natural gas transmission and storage facilities. These rules implement section 112 of the Clean Air Act (CAA).", "source_type": "major and area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/oil-and-natural-gas-production-includes-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart VV", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/oil-water-separators-and-organic-water-separators-national", "id": "oil-water-separators-and-organic-water-separators", "most_recent_amendment_date": "2003-06-23", "original_final_rule_date": "1996-07-01", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/oil-water-separators-and-organic-water-separators-national", "source_category": "Oil-Water Separators and Organic-Water Separators", "source_quote": "Rule Summary Rule History Rule Summary The provisions of this subpart apply to the control of air emissions from oil-water separators and organic-water separators for which another subpart of 40 CFR parts 60, 61, or 63 references the use of this subpart for such air emission control. These air emission standards for oil-water separators and organic-water separators are placed here for administrative convenience and only apply to those owners and operators of facilities subject to the other subparts that reference this subpart. The provisions of 40 CFR part 63, subpart A—General Provisions do not apply to this subpart except as noted in the subpart that references this subpart. Rule History 06/23/2003 – Clarifications to Existing NESHAP Delegations’ Provisions Final Rule (pdf) (220 KB) 01/08/2001 – Final Rule; Technical Corrections and Amendments (pdf) (250 KB) 07/20/1999 – Proposed Rule (July 1999) (pdf) (104 KB) & Direct Final Rule (pdf) (452 KB) 07/01/1996 – Final Rule (pdf) (558 KB) 10/13/1994 –", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/oil-water-separators-and-organic-water-separators/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart EEEE", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/organic-liquids-distribution-national-emission-standards-hazardous", "id": "organic-liquids-distribution-non-gasoline", "key_haps_regulated": "organic hap, toluene, methanol, benzene", "most_recent_amendment_date": "2024-04-04", "original_final_rule_date": "2004-02-03", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Organic Liquids Distribution (non-gasoline)", "source_quote": "Organic Liquids Distribution (non-gasoline) | 40 CFR 63 Subpart EEEE", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/organic-liquids-distribution-non-gasoline/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart CCCCCCC (7C)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/paints-and-allied-products-manufacturing-national-emission", "id": "paints-and-allied-products-manufacturing-area-sources", "key_haps_regulated": "benzene, methylene chloride, cadmium, chromium, lead, nickel", "most_recent_amendment_date": "2010-06-03", "original_final_rule_date": "2009-12-03", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/paints-and-allied-products-manufacturing-national-emission", "source_category": "Paints and Allied Products Manufacturing (area sources)", "source_quote": "This rule applies to new or existing paints and allied products manufacturing operations which are area sources of one of the target hazardous air pollutants (HAP) and that process, use, or generate materials containing one or more of the following target HAP: Benzene, methylene chloride, and compounds of cadmium, chromium, lead, and nickel.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/paints-and-allied-products-manufacturing-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart JJJJ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/paper-and-other-web-coating-national-emission-standards-0", "id": "paper-and-other-web-surface-coating", "key_haps_regulated": "toluene, methanol, methyl ethyl chloride, ethylene glycol, xylenes, phenol, methylene chloride, glycol ethers, hexane, methyl isobutyl ketone, cresols, cresylic acid, dimethyl formamide, vinyl acetate, formaldehyde, and ethyl benzene", "most_recent_amendment_date": "2020-07-09", "original_final_rule_date": "2002-12-04", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/paper-and-other-web-coating-national-emission-standards-0", "source_category": "Paper and Other Web Surface Coating", "source_quote": "This action finalizes national emission standards for hazardous air pollutants (NESHAP) for facilities that coat paper and other web substrates and are major sources of hazardous air pollutants (HAP) emissions. The paper and other web coatings source category emits HAP such as: toluene, methanol, methyl ethyl chloride, ethylene glycol, xylenes, phenol, methylene chloride, glycol ethers, hexane, methyl isobutyl ketone, cresols, cresylic acid, dimethyl formamide, vinyl acetate, formaldehyde, and ethyl benzene.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/paper-and-other-web-surface-coating/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart CC", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/petroleum-refineries-national-emission-standards-hazardous-air", "id": "petroleum-refineries-cc", "key_haps_regulated": "benzene", "most_recent_amendment_date": "2013-06-20", "original_final_rule_date": "1995-08-18", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/petroleum-refineries-national-emission-standards-hazardous-air", "source_category": "Petroleum Refineries (CC)", "source_quote": "EPA's final rule will reduce emissions of eleven air toxics, including benzene---a human carcinogen, by 53,000 tons annually, representing a 59 percent reduction from current levels. Air toxics are those pollutants known or suspected of causing cancer or other serious health effects (e.g., reproductive effects or birth defects).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/petroleum-refineries-cc/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart GGG", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/pharmaceuticals-production-industry-national-emission-standards", "id": "pharmaceuticals-production", "key_haps_regulated": "methylene chloride, methanol, toluene, and hydrogen chloride", "most_recent_amendment_date": "2011-04-21", "original_final_rule_date": "1998-09-21", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/pharmaceuticals-production-industry-national-emission-standards", "source_category": "Pharmaceuticals Production", "source_quote": "Pharmaceuticals Production Industry: National Emission Standards for Hazardous Air Pollutants (NESHAP) Pharmaceuticals Production Industry: National Emission Standards for Hazardous Air Pollutants (NESHAP) Basic Information Legal Authorities 42 U.S.C. §7401 Federal Register Citations 62 FR 15754 63 FR 50280 65 FR 452 65 FR 19152 65 FR 52588 66 FR 40121 70 FR 25671 70 FR 25666 75 FR 65067 76 FR 22566 Code of Federal Regulations Citations 40 CFR Part 63 Part GGG Docket Numbers EPA-HQ-OAR-2010-0600 Effective Date June 23, 2015 On this page: Rule Summary Rule History Additional Resources Compliance Rule Summary These national emission standards for hazardous air pollutants (NESHAP) apply to major source facilities which produce pharmaceutical products. The major HAP emitted by these facilities include methylene chloride, methanol, toluene, and hydrogen chloride.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/pharmaceuticals-production/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart BB", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/phosphate-fertilizer-production-plants-and-phosphoric-acid", "id": "phosphate-fertilizers", "key_haps_regulated": "phosphoric acid, mercury", "most_recent_amendment_date": "2017-09-28", "original_final_rule_date": "1999-06-10", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/phosphate-fertilizer-production-plants-and-phosphoric-acid", "source_category": "Phosphate Fertilizers", "source_quote": "On July 21, 2015, the Environmental Protection Agency (EPA) issued final amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Phosphoric Acid Manufacturing and Phosphate Fertilizer Production, and to the Standards of Performance (NSPS) for Phosphate Processing. The phosphoric acid manufacturing and phosphate fertilizer production standards were promulgated in 1999 and currently 13 facilities are subject to at least one of the rules. Ten of the 13 facilities are considered to be in both source categories.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/phosphate-fertilizers/"}
{"cfr_subpart": "40 CFR 63 Subpart AA", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/phosphate-fertilizer-production-plants-and-phosphoric-acid", "id": "phosphoric-acid", "key_haps_regulated": "phosphoric acid, mercury", "most_recent_amendment_date": "2017-09-28", "original_final_rule_date": "1999-06-10", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/phosphate-fertilizer-production-plants-and-phosphoric-acid", "source_category": "Phosphoric Acid", "source_quote": "On July 21, 2015, the Environmental Protection Agency (EPA) issued final amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Phosphoric Acid Manufacturing and Phosphate Fertilizer Production, and to the Standards of Performance (NSPS) for Phosphate Processing. The phosphoric acid manufacturing and phosphate fertilizer production standards were promulgated in 1999 and currently 13 facilities are subject to at least one of the rules. Ten of the 13 facilities are considered to be in both source categories.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/phosphoric-acid/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart PPPP", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-plastic-parts-and-products-national-emission", "id": "plastic-parts-surface-coating", "key_haps_regulated": "methyl isobutyl ketone, toluene, glycol ethers, and xylenes", "most_recent_amendment_date": "2020-07-08", "original_final_rule_date": "2004-04-19", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-plastic-parts-and-products-national-emission", "source_category": "Plastic Parts Surface Coating", "source_quote": "The final rule implements section 112(d) of the Clean Air Act (CAA) by requiring these operations to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT). The final rule will protect air quality and promote the public health by reducing emissions of HAP from facilities in the plastic parts and products surface coating source category. The organic HAP emitted by these operations include methyl isobutyl ketone, toluene, glycol ethers, and xylenes.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/plastic-parts-surface-coating/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart WWWWWW (6W)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/plating-and-polishing-national-emission-standards-hazardous-air", "id": "plating-and-polishing-operations-area-sources", "key_haps_regulated": "cadmium, chromium, lead, manganese, nickel", "most_recent_amendment_date": "2011-09-19", "original_final_rule_date": "2008-07-01", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Plating and Polishing Operations (area sources)", "source_quote": "Plating and Polishing Operations (area sources) | 40 CFR 63 Subpart WWWWWW (6W)", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/plating-and-polishing-operations-area-sources/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart DDDD", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/plywood-and-composite-wood-products-manufacture-national-emission", "id": "plywood-and-composite-wood-products-formerly-plywood-and-particle-board-manufact", "key_haps_regulated": "acetaldehyde, acrolein, formaldehyde, methanol", "most_recent_amendment_date": "2020-08-13", "original_final_rule_date": "2004-07-30", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/plywood-and-composite-wood-products-manufacture-national-emission", "source_category": "Plywood and Composite Wood Products (formerly Plywood and Particle Board Manufacturing)", "source_quote": "The National Emissions Standards for Hazardous Air Pollutants (NESHAP) for this sector was originally proposed in 2003 and promulgated in 2004. In these actions, the EPA identified acetaldehyde, acrolein, formaldehyde, methanol, phenol and propionaldehyde as the main pollutants emitted from this sector. In 2007, the United States Court of Appeals for the District of Columbia Circuit vacated some of the provisions in the NESHAP that created and delisted a low risk subcategory of the plywood and composite wood product facilities. See the", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/plywood-and-composite-wood-products-formerly-plywood-and-particle-board-manufact/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart PPP", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/polyether-polyols-production-national-emission-standards-hazardous", "id": "polyether-polyols-production", "key_haps_regulated": "ethylene oxide (EtO), propylene oxide (PO), hexane, toluene, and incidental emissions of several other HAP", "most_recent_amendment_date": "2026-03-18", "original_final_rule_date": "1999-06-01", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/polyether-polyols-production-national-emission-standards-hazardous", "source_category": "Polyether Polyols Production", "source_quote": "Polyether polyols are used in making lubricants, adhesives, sealants, cosmetics, soaps, and feedstock polymers for urethanes production. Air toxics can be emitted at several points along the manufacturing process.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/polyether-polyols-production/"}
{"cfr_subpart": "40 CFR 63 Subpart HHHHHHH (7H)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/polyvinyl-chloride-and-copolymers-production-national-emission-0", "id": "polyvinyl-chloride-and-copolymers-production", "key_haps_regulated": "vinyl chloride, vinylidene chloride (1,1 dichloroethylene), and vinyl acetate are emitted during the production of PVC emits", "most_recent_amendment_date": "2015-02-04", "original_final_rule_date": "2002-07-10", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/polyvinyl-chloride-and-copolymers-production-national-emission-0", "source_category": "Polyvinyl Chloride and Copolymers Production", "source_quote": "These national emission standards for hazardous air pollutants (NESHAP) apply to new and existing sources at polyvinyl chloride and copolymer (PVC) production facilities. PVC standards were developed for both major and area sources. The EPA determined that hazardous air pollutants (HAP) such as vinyl chloride, vinylidene chloride (1,1 dichloroethylene), and vinyl acetate are emitted during the production of PVC emits .", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/polyvinyl-chloride-and-copolymers-production/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart DDDDDD (6D)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/polyvinyl-chloride-and-copolymers-production-national-emission", "id": "polyvinyl-chloride-and-copolymers-production-area-sources", "key_haps_regulated": "vinyl chloride, vinylidene chloride (1,1 dichloroethylene), and vinyl acetate are emitted during the production of PVC emits", "most_recent_amendment_date": "2015-02-04", "original_final_rule_date": "2007-01-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/polyvinyl-chloride-and-copolymers-production-national-emission", "source_category": "Polyvinyl Chloride and Copolymers Production (area sources)", "source_quote": "These national emission standards for hazardous air pollutants (NESHAP) apply to new and existing sources at polyvinyl chloride and copolymer (PVC) production facilities. PVC standards were developed for both major and area sources. The EPA determined that hazardous air pollutants (HAP) such as vinyl chloride, vinylidene chloride (1,1 dichloroethylene), and vinyl acetate are emitted during the production of PVC emits .", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/polyvinyl-chloride-and-copolymers-production-area-sources/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart LLL", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/portland-cement-manufacturing-industry-national-emission-standards", "id": "portland-cement-manufacturing", "key_haps_regulated": "particulate matter, organic HAP, metals through the control of particulate matter, mercury, acid gases, and dioxin/furan", "most_recent_amendment_date": "2018-07-25", "original_final_rule_date": "1999-06-14", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/portland-cement-manufacturing-industry-national-emission-standards", "source_category": "Portland Cement Manufacturing", "source_quote": "3/12/25 -- Trump Administration Announces Reconsideration of Air Rules Regulating American Energy, Manufacturing, Chemical Sectors (NESHAPs)", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/portland-cement-manufacturing/"}
{"cfr_subpart": "40 CFR 63 Subpart DDDDDDD (7D)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/prepared-feeds-manufacturing-national-emission-standards-hazardous", "id": "prepared-feeds-manufacturing-area-sources", "key_haps_regulated": "chromium, manganese, particulate matter", "most_recent_amendment_date": "2011-12-23", "original_final_rule_date": "2010-01-05", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/prepared-feeds-manufacturing-national-emission-standards-hazardous", "source_category": "Prepared Feeds Manufacturing (area sources)", "source_quote": "Prepared feeds manufacturing facilities, as defined by EPA’s area source rule, are facilities that emit less than 10 tons per year of a single hazardous air pollutant (HAP) or less than 25 tons per year of any combination of HAPs and add chromium (Cr) compounds or manganese (Mn) compounds to their product.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/prepared-feeds-manufacturing-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart LL", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-aluminum-reduction-industry-national-emission-standards", "id": "primary-aluminum", "key_haps_regulated": "carbonyl sulfide, hydrogen fluoride, metal hap, lead, nickel, manganese, mercury", "most_recent_amendment_date": "2015-10-15", "original_final_rule_date": "1997-10-07", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/primary-aluminum-reduction-industry-national-emission-standards", "source_category": "Primary Aluminum", "source_quote": "Primary aluminum reduction plants electrolytically reduce refined bauxite to form aluminum. Once formed, the aluminum may be processed via casting (pouring molten aluminum into a mold), rolling, extrusion, etc. to meet the shape, strength and durability requirements of its final use. Aluminum is used extensively in consumer packaging (e.g., cans and foil), transportation applications (e.g., cars, planes and trains) and in the building industry.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-aluminum/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart QQQ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-copper-smelting-national-emissions-standards-hazardous-air", "id": "primary-copper-smelting", "key_haps_regulated": "mercury, benzene, toluene, hydrogen chloride, chlorine, polycyclic aromatic hydrocarbons, naphthalene and dioxin/furans", "most_recent_amendment_date": "2024-05-13", "original_final_rule_date": "2002-06-12", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/primary-copper-smelting-national-emissions-standards-hazardous-air", "source_category": "Primary Copper Smelting", "source_quote": "3/12/25 -- Trump Administration Announces Reconsideration of Air Rules Regulating American Energy, Manufacturing, Chemical Sectors (NESHAPs)", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-copper-smelting/"}
{"cfr_subpart": "40 CFR 63 Subpart EEEEEE (6E)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-copper-smelting-area-sources-national-emissions-standards", "id": "primary-copper-smelting-area-sources", "most_recent_amendment_date": "2007-07-03", "original_final_rule_date": "2007-01-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/primary-copper-smelting-area-sources-national-emissions-standards", "source_category": "Primary Copper Smelting (area sources)", "source_quote": "Primary copper smelting is the industry which refines copper sulfide ore concentrate from mined ore to produce anode grade copper, using pyrometallurgical processes. Pyrometallurgical processes use high temperature furnaces to smelt or refine ores to produce pure metals or metal oxides. The final rule for area sources will ensure emissions of air toxics are minimized and improve compliance assurance.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-copper-smelting-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart TTT", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-lead-processing-national-emission-standards-hazardous-air", "id": "primary-lead-processing", "key_haps_regulated": "lead, arsenic, antimony, cadmium", "most_recent_amendment_date": "2011-11-15", "original_final_rule_date": "1999-06-04", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Primary Lead Processing", "source_quote": "Primary Lead Processing | 40 CFR 63 Subpart TTT", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-lead-processing/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart TTTTT", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-magnesium-refining-national-emissions-standards-hazardous", "id": "primary-magnesium-refining", "key_haps_regulated": "chlorine, hydrochloric acid, dioxin/furan, and trace amounts of several HAP metals", "most_recent_amendment_date": "2003-10-10", "original_final_rule_date": "2003-10-10", "rtr_status": "pending", "source": "https://www.epa.gov/stationary-sources-air-pollution/primary-magnesium-refining-national-emissions-standards-hazardous", "source_category": "Primary Magnesium Refining", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for primary magnesium refining facilities. The EPA has identified primary magnesium refining facilities as a major source of hazardous air pollutant (HAP)", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-magnesium-refining/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart GGGGGG (6G)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/primary-nonferrous-metals-zinc-cadmium-and-beryllium-national", "id": "primary-nonferrous-metals-zinc-cadmium-and-beryllium-area-sources", "key_haps_regulated": "cadmium, beryllium", "most_recent_amendment_date": "2007-01-23", "original_final_rule_date": "2007-01-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/primary-nonferrous-metals-zinc-cadmium-and-beryllium-national", "source_category": "Primary Nonferrous Metals-Zinc, Cadmium, and Beryllium (area sources)", "source_quote": "EPA issued national emission standards for hazardous air pollutants (NESHAP) for area source facilities that produce zinc, zinc oxide, cadmium, or cadmium oxide from zinc sulfide ore concentrates using pyrometallurgical techniques and area source facilities that produce beryllium metal, alloy, or oxide from beryllium ore. The final NESHAP included emissions limits and/or work practice standards that reflect the generally available control technologies (GACT) and/or management practices in each of these area source categories.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/primary-nonferrous-metals-zinc-cadmium-and-beryllium-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart KK", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/printing-and-publishing-industry-national-emission-standards", "id": "printing-and-publishing-surface-coating", "key_haps_regulated": "xylene, toluene, ethylbenzene, methyl ethyl ketone, methyl isobutyl ketone, methanol, ethylene glycol, and certain glycol ethers", "most_recent_amendment_date": "2011-04-21", "original_final_rule_date": "1996-05-30", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/printing-and-publishing-industry-national-emission-standards", "source_category": "Printing and Publishing Surface Coating", "source_quote": "These standards will reduce nationwide emissions of HAP from rotogravure and wide-web flexographic printing operations by approximately 6700 Mg/yr (7400 tpy) in 1999 and, to some extent, reduce volatile organic compounds (VOC) emissions from those same operations.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/printing-and-publishing-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart VVV", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/publicly-owned-treatment-works-potw-national-emission-standards", "id": "publicly-owned-treatment-works-potw", "key_haps_regulated": "xylenes, methylene chloride, toluene, ethyl benzene, chloroform, tetrachloroethylene, benzene, and naphthalene", "most_recent_amendment_date": "2017-10-26", "original_final_rule_date": "1999-10-26", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/publicly-owned-treatment-works-potw-national-emission-standards", "source_category": "Publicly Owned Treatment Works (POTW)", "source_quote": "The primary hazardous air pollutants (HAP) emitted by these sources include xylenes, methylene chloride, toluene, ethyl benzene, chloroform, tetrachloroethylene, benzene, and naphthalene.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/publicly-owned-treatment-works-potw/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart ZZZZ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-engines/national-emission-standards-hazardous-air-pollutants-reciprocating-internal-0", "id": "reciprocating-internal-combustion-engines-rice-includes-area-sources", "key_haps_regulated": "formaldehyde, acetaldehyde, acrolein, methanol, polycyclic aromatic, pah, particulate matter", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-engines/national-emission-standards-hazardous-air-pollutants-reciprocating-internal-0", "source_category": "Reciprocating Internal Combustion Engines (RICE) includes area sources", "source_quote": "Trump Administration Announces Regulatory Interpretation of RICE NESHAP (pdf)", "source_type": "major and area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/reciprocating-internal-combustion-engines-rice-includes-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart SSSSS", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/refractory-products-manufacturing-national-emissions-standards", "id": "refractory-products-manufacturing", "key_haps_regulated": "formaldehyde, hydrogen fluoride, hydrochloric acid, methanol", "most_recent_amendment_date": "2021-10-29", "original_final_rule_date": "2002-04-16", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/refractory-products-manufacturing-national-emissions-standards", "source_category": "Refractory Products Manufacturing", "source_quote": "This rule regulates new and existing refractory products manufacturing facilities requiring all major sources to meet HAP emission standards reflecting the application of maximum achievable control technology (MACT). The final rule protects air quality", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/refractory-products-manufacturing/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart WWWW", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/reinforced-plastic-composites-production-national-emission", "id": "reinforced-plastic-composites-production", "key_haps_regulated": "styrene, methyl methacrylate (MMA), and methylene chloride (dichloromethane)", "most_recent_amendment_date": "2020-03-20", "original_final_rule_date": "2003-04-21", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/reinforced-plastic-composites-production-national-emission", "source_category": "Reinforced Plastic Composites Production", "source_quote": "This action promulgates national emissions standards for hazardous air pollutants (NESHAP) for new and existing reinforced plastic composites production facilities. The NESHAP regulate production and ancillary processes used to manufacture products with thermoset resins and gel coats.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/reinforced-plastic-composites-production/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart XXXX", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/rubber-tire-manufacturing-national-emission-standards-hazardous", "id": "rubber-tire-manufacturing", "most_recent_amendment_date": "2026-06-22", "original_final_rule_date": "2002-07-09", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Rubber Tire Manufacturing", "source_quote": "Rubber Tire Manufacturing | 40 CFR 63 Subpart XXXX", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/rubber-tire-manufacturing/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart RRR", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/secondary-aluminum-production-national-emission-standards", "id": "secondary-aluminum", "key_haps_regulated": "HAP organics, inorganic HAPs (hydrogen chloride, hydrogen fluoride, and chlorine), and particulate HAP metals", "most_recent_amendment_date": "2016-06-13", "original_final_rule_date": "2000-03-23", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/secondary-aluminum-production-national-emission-standards", "source_category": "Secondary Aluminum", "source_quote": "Hazardous air pollutants (HAPs) emitted by the facilities that would be regulated by this proposed rule include HAP organics, inorganic HAPs (hydrogen chloride, hydrogen fluoride, and chlorine), and particulate HAP metals. Some of these pollutants, including 2,3,7,8- tetrachlorodibenzo-p-dioxin, are considered to be known or suspected carcinogens and all can cause toxic effects following sufficient exposure. Emissions of other pollutants include particulate matter and volatile organic compounds. EPA has determined that secondary aluminum production plants are major sources", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/secondary-aluminum/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart FFFFFF (6F)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/secondary-copper-smelting-area-sources-national-emissions", "id": "secondary-copper-smelting-area-sources", "key_haps_regulated": "particulate matter", "most_recent_amendment_date": "2007-07-03", "original_final_rule_date": "2007-01-23", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8", "source_category": "Secondary Copper Smelting (area sources)", "source_quote": "Secondary Copper Smelting (area sources) | 40 CFR 63 Subpart FFFFFF (6F)", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/secondary-copper-smelting-area-sources/", "verified_fields": ["cfr_subpart", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart X", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/secondary-lead-smelting-national-emissions-standards-hazardous-air", "id": "secondary-lead-smelters", "key_haps_regulated": "lead", "most_recent_amendment_date": "2014-01-03", "original_final_rule_date": "1995-06-23", "rtr_status": "pending", "source": "https://www.epa.gov/stationary-sources-air-pollution/secondary-lead-smelting-national-emissions-standards-hazardous-air", "source_category": "Secondary Lead Smelters", "source_quote": "The final rule applies to owners and operators of secondary lead smelters. The affected source for this subpart is any of the following sources at a secondary lead smelter: Blast, reverberatory, rotary, and electric furnaces; refining kettles; agglomerating furnaces; dryers; process fugitive emissions sources; buildings containing lead bearing materials; and fugitive dust sources.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/secondary-lead-smelters/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart TTTTTT (6T)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/secondary-nonferrous-metals-processing-area-sources-national", "id": "secondary-nonferrous-metals-processing-brass-bronze-magnesium-and-zinc-area-sour", "key_haps_regulated": "particulate matter", "most_recent_amendment_date": "2007-12-26", "original_final_rule_date": "2007-12-26", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/secondary-nonferrous-metals-processing-area-sources-national", "source_category": "Secondary Nonferrous Metals Processing (Brass, Bronze, Magnesium and Zinc) (area sources)", "source_quote": "EPA issued national emission standards for Secondary Nonferrous Metals Processing area source category that reflect the generally available control technology or management practices used by sources within the area source category. The final rule was effective on December 26, 2007. The rule sets a particulate matter limits for furnaces and codifies existing management practices already in use in the industry.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/secondary-nonferrous-metals-processing-brass-bronze-magnesium-and-zinc-area-sour/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart BBBBB", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/semiconductor-manufacturing-national-emission-standards-hazardous", "id": "semiconductor-manufacturing", "key_haps_regulated": "but are not limited to, five chemicals that comprise over 90 percent of the total HAP emissions: hydrochloric acid (HCl), hydrogen fluoride (HF), glycol ethers, methanol, and xylene", "most_recent_amendment_date": "2008-07-22", "original_final_rule_date": "2003-05-22", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/semiconductor-manufacturing-national-emission-standards-hazardous", "source_category": "Semiconductor Manufacturing", "source_quote": "The source category includes all manufacturing from crystal growth through wafer fabrication, and test and assembly. The primary hazardous air pollutants that are controlled by this rule include but are not limited to, five chemicals that comprise over 90 percent of the total HAP emissions: hydrochloric acid (HCl), hydrogen fluoride (HF), glycol ethers, methanol, and xylene.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/semiconductor-manufacturing/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 63 Subpart II", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/shipbuilding-and-ship-repair-surface-coating-national-emission", "id": "shipbuilding-and-ship-repair-surface-coating", "key_haps_regulated": "xylene, toluene, ethylbenzene, methyl isobutyl ketone, ethylene glycol, and glycol ethers", "most_recent_amendment_date": "2011-11-21", "original_final_rule_date": "1995-12-15", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/shipbuilding-and-ship-repair-surface-coating-national-emission", "source_category": "Shipbuilding and Ship Repair Surface Coating", "source_quote": "The national emission standards for hazardous air pollutants (NESHAP) requires existing and new major sources to control emissions using the maximum achievable control technology (MACT) to control hazardous air pollutants (HAP).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/shipbuilding-and-ship-repair-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart GGGGG", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/site-remediation-national-emission-standards-hazardous-air", "id": "site-remediation", "key_haps_regulated": "organic hap", "most_recent_amendment_date": "2022-12-22", "original_final_rule_date": "2003-10-08", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/site-remediation-national-emission-standards-hazardous-air", "source_category": "Site Remediation", "source_quote": "The 2006 final rule implements the Clean Air Act (CAA) section 112(d) to control hazardous air pollutants (HAP) emissions at major sources where remediation technologies and practices are used at the site to clean up contaminated environmental media (e.g., soil, groundwater, or surface water) or certain stored or disposed materials that pose a reasonable potential threat to contaminate environmental media.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/site-remediation/"}
{"cfr_subpart": "40 CFR 63 Subpart GGGG", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/solvent-extraction-vegetable-oil-production-national-emission", "id": "solvent-extraction-for-vegetable-oil-production", "most_recent_amendment_date": "2020-03-18", "original_final_rule_date": "2001-04-12", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/solvent-extraction-vegetable-oil-production-national-emission", "source_category": "Solvent Extraction for Vegetable Oil Production", "source_quote": "The National Emissions Standards for Hazardous Air Pollutants (NESHAP) for this sector was originally proposed in 2000 and promulgated in 2001. Amendments were made in 2002 and 2004. In these actions, the EPA identified n-hexane as the HAP emitted in the largest quantity from the solvent extraction process in vegetable oil production. This standard restricts plant-wide hexane emissions from each affected facility rather than requiring individual controls at each emission point.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/solvent-extraction-for-vegetable-oil-production/"}
{"cfr_subpart": "40 CFR 63 Subpart YYYY", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/stationary-combustion-turbines-national-emission-standards", "id": "stationary-combustion-turbines", "key_haps_regulated": "formaldehyde, toluene, benzene, and acetaldehyde", "most_recent_amendment_date": "2022-03-09", "original_final_rule_date": "2004-03-05", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/stationary-combustion-turbines-national-emission-standards", "source_category": "Stationary Combustion Turbines", "source_quote": "This action promulgates national emission standards for hazardous air pollutants (NESHAP) for stationary combustion turbines. We have identified stationary combustion turbines as major sources of hazardous air pollutants (HAP) emissions such as formaldehyde, toluene, benzene, and acetaldehyde. The NESHAP will implement section 112(d) of the Clean Air Act (CAA) by requiring all major sources to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT) for combustion.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/stationary-combustion-turbines/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart CCC", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/steel-pickling-hcl-process-facilities-and-hydrochloric-acid", "id": "steel-pickling-hcl-process", "key_haps_regulated": "hydrochloric acid, chlorine", "most_recent_amendment_date": "2012-09-19", "original_final_rule_date": "1999-06-22", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/steel-pickling-hcl-process-facilities-and-hydrochloric-acid", "source_category": "Steel Pickling - HCL Process", "source_quote": "This rule sets national emission standards for hazardous air pollutants (NESHAP) for hydrochloric acid (HCI) process steel pickling facilities and hydrochloric acid regeneration plants pursuant to section 112 of the Clean Air Act (Act).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/steel-pickling-hcl-process/"}
{"cfr_subpart": "40 CFR 63 Subpart RRRRR", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/taconite-iron-ore-processing-national-emission-standards-hazardous", "id": "taconite-iron-ore-processing", "key_haps_regulated": "hydrogen chloride and hydrogen fluoride, and establishing new emission limits for mercury", "most_recent_amendment_date": "2024-03-06", "original_final_rule_date": "2003-10-30", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/taconite-iron-ore-processing-national-emission-standards-hazardous", "source_category": "Taconite Iron Ore Processing", "source_quote": "Taconite Iron Ore Processing Plants, strengthening existing emissions limits for harmful acid gases such as hydrogen chloride and hydrogen fluoride, and establishing new emission limits for mercury.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/taconite-iron-ore-processing/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart UUUUU", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/mats", "id": "utility-neshap", "key_haps_regulated": "mercury", "most_recent_amendment_date": "2026-02-24", "original_final_rule_date": "2014-11-07", "rtr_status": "not stated", "source": "https://www.epa.gov/mats", "source_category": "Utility NESHAP", "source_quote": "In the National Emission Standards for Hazardous Air Pollutants for Coal- and Oil-Fired Electric Utility Steam Generating Units (EGUs), also known as the Mercury and Air Toxics Standards or MATS, EPA set technology-based emissions standards for mercury and other hazardous air pollutants (HAP) emitted by units with a capacity of more than 25 megawatts. These standards reflect levels achieved by the best-performing sources and apply to existing and new EGUs.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/utility-neshap/", "verified_fields": ["key_haps_regulated"]}
{"cfr_subpart": "40 CFR 61 Subpart F", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/vinyl-chloride-national-emission-standards-hazardous-air", "id": "vinyl-chloride", "key_haps_regulated": "vinyl chloride", "most_recent_amendment_date": "1990-07-10", "original_final_rule_date": "1976-10-21", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/vinyl-chloride-national-emission-standards-hazardous-air", "source_category": "Vinyl Chloride", "source_quote": "The purpose of the national emission standard for hazardous air pollutants (NESHAP) is to minimize vinyl chloride emissions from process and fugitive emission sources in ethylene dichloride, vinyl chloride and polyvinyl chloride production categories to the level attainable with best available control technology.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/vinyl-chloride/", "verified_fields": ["key_haps_regulated", "source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart HHHH", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/wet-formed-fiberglass-mat-production-national-emission-standards", "id": "wet-formed-fiberglass-mat-production", "key_haps_regulated": "organic hap, formaldehyde, methanol", "most_recent_amendment_date": "2018-04-06", "original_final_rule_date": "2002-04-11", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/wet-formed-fiberglass-mat-production-national-emission-standards", "source_category": "Wet Formed Fiberglass Mat Production", "source_quote": "Section 112 of the Clean Air Act (CAA) establishes a two-stage regulatory process to address emissions of hazardous air pollutants (HAP) from stationary sources. In the first stage, we must promulgate technology-based standards or national emission standards for hazardous air pollutants (NESHAP) for major sources of HAP. “Major sources” are those that emit, or have the potential to emit, any single HAP at a rate of 10 tons per year (tpy) or more, or 25 tpy or more of any combination of HAP.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wet-formed-fiberglass-mat-production/"}
{"cfr_subpart": "40 CFR 63 Subpart QQQQ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-wood-building-products-national-emission-1", "id": "wood-building-products-surface-coating-formerly-flat-wood-paneling-products", "key_haps_regulated": "toluene, benzene, glycol ethers, methyl ethyl ketone, methyl isobutyl ketone, methanol, styrene, formaldehyde", "most_recent_amendment_date": "2019-03-04", "original_final_rule_date": "2003-05-28", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/surface-coating-wood-building-products-national-emission-1", "source_category": "Wood Building Products Surface Coating (formerly Flat Wood Paneling Products)", "source_quote": "The final standards establish emission limitations, operating limits, and work practice requirements for all major sources that apply a surface coating to a wood building product to reduce certain organics listed as hazardous air pollutants (HAP) in section 112 of the Clean Air Act (CAA). These standards implement section 112(d) of the CAA by requiring all major sources to meet the HAP emission standards reflecting the application of the maximum achievable control technology (MACT).", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wood-building-products-surface-coating-formerly-flat-wood-paneling-products/"}
{"cfr_subpart": "40 CFR 63 Subpart JJ", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/wood-furniture-manufacturing-operations-national-emission", "id": "wood-furniture-surface-coating", "key_haps_regulated": "organic hap, toluene, xylene, methanol, methyl ethyl ketone, methyl isobutyl ketone, glycol ethers, formaldehyde", "most_recent_amendment_date": "2011-11-21", "original_final_rule_date": "1995-12-07", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/wood-furniture-manufacturing-operations-national-emission", "source_category": "Wood Furniture Surface Coating", "source_quote": "This final rule promulgates standards that limit the emissions of hazardous air pollutants (HAP) from existing and new wood furniture manufacturing operations located at major sources.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wood-furniture-surface-coating/"}
{"cfr_subpart": "40 CFR 63 Subpart QQQQQQ (6Q)", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/wood-preserving-area-sources-national-emission-standards-hazardous", "id": "wood-preserving-area-sources", "key_haps_regulated": "chromium, arsenic, methylene chloride", "most_recent_amendment_date": "2008-03-26", "original_final_rule_date": "2007-07-16", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/wood-preserving-area-sources-national-emission-standards-hazardous", "source_category": "Wood Preserving (area sources)", "source_quote": "Wood preservation is the pressure or thermal impregnation of chemicals into wood to provide effective long-term resistance to attack by fungi, bacteria, insects, and marine borers. The wood preserving industry consists of facilities that treat wood such as lumber, ties, poles, posts, or pilings with a preservative.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wood-preserving-area-sources/"}
{"cfr_subpart": "40 CFR 63 Subpart NNN", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-national-emissions-standards", "id": "wool-fiberglass-manufacturing", "key_haps_regulated": "particulate matter, chromium, methanol, formaldehyde", "most_recent_amendment_date": "2017-12-26", "original_final_rule_date": "1999-06-01", "rtr_status": "completed", "source": "https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-national-emissions-standards", "source_category": "Wool Fiberglass Manufacturing", "source_quote": "This rule regulates air toxics emitted from wool fiberglass manufacturing at major sources. The rule requires gas-fired furnaces to meet particulate matter (PM) and chromium emissions limits, and electric furnaces to meet PM limits. Bonded lines are required to meet air toxic emission limits.", "source_type": "major sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wool-fiberglass-manufacturing/", "verified_fields": ["source_category"]}
{"cfr_subpart": "40 CFR 63 Subpart NN", "derived_fields": ["epa_category_url", "rtr_status", "source_type"], "epa_category_url": "https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-area-sources-national-emission", "id": "wool-fiberglass-manufacturing-area-sources", "key_haps_regulated": "chromium", "most_recent_amendment_date": "2015-07-29", "original_final_rule_date": "2015-07-29", "rtr_status": "not stated", "source": "https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-area-sources-national-emission", "source_category": "Wool Fiberglass Manufacturing (area sources)", "source_quote": "This rule regulates air toxics emitted from wool fiberglass manufacturing at area sources. The rule requires gas-fired furnaces to meet chromium emissions limits.", "source_type": "area sources", "url": "https://referencesource.org/neshap-source-category-crosswalk/wool-fiberglass-manufacturing-area-sources/", "verified_fields": ["key_haps_regulated"]}