cfr_subpart string | derived_fields list | epa_category_url string | id string | key_haps_regulated string | most_recent_amendment_date timestamp[s] | original_final_rule_date timestamp[s] | rtr_status string | source string | source_category string | source_quote string | source_type string | url string | verified_fields list |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
40 CFR 63 Subpart KK | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/printing-and-publishing-industry-national-emission-standards | printing-and-publishing-surface-coating | xylene, toluene, ethylbenzene, methyl ethyl ketone, methyl isobutyl ketone, methanol, ethylene glycol, and certain glycol ethers | 2011-04-21T00:00:00 | 1996-05-30T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/printing-and-publishing-industry-national-emission-standards | Printing and Publishing Surface Coating | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/printing-and-publishing-surface-coating/ | null |
40 CFR 63 Subpart VVV | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/publicly-owned-treatment-works-potw-national-emission-standards | publicly-owned-treatment-works-potw | xylenes, methylene chloride, toluene, ethyl benzene, chloroform, tetrachloroethylene, benzene, and naphthalene | 2017-10-26T00:00:00 | 1999-10-26T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/publicly-owned-treatment-works-potw-national-emission-standards | Publicly Owned Treatment Works (POTW) | The primary hazardous air pollutants (HAP) emitted by these sources include xylenes, methylene chloride, toluene, ethyl benzene, chloroform, tetrachloroethylene, benzene, and naphthalene. | major sources | https://referencesource.org/neshap-source-category-crosswalk/publicly-owned-treatment-works-potw/ | [
"key_haps_regulated"
] |
40 CFR 63 Subpart ZZZZ | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-engines/national-emission-standards-hazardous-air-pollutants-reciprocating-internal-0 | reciprocating-internal-combustion-engines-rice-includes-area-sources | formaldehyde, acetaldehyde, acrolein, methanol, polycyclic aromatic, pah, particulate matter | null | null | not stated | https://www.epa.gov/stationary-engines/national-emission-standards-hazardous-air-pollutants-reciprocating-internal-0 | Reciprocating Internal Combustion Engines (RICE) includes area sources | Trump Administration Announces Regulatory Interpretation of RICE NESHAP (pdf) | major and area sources | https://referencesource.org/neshap-source-category-crosswalk/reciprocating-internal-combustion-engines-rice-includes-area-sources/ | null |
40 CFR 63 Subpart SSSSS | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/refractory-products-manufacturing-national-emissions-standards | refractory-products-manufacturing | formaldehyde, hydrogen fluoride, hydrochloric acid, methanol | 2021-10-29T00:00:00 | 2002-04-16T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/refractory-products-manufacturing-national-emissions-standards | Refractory Products Manufacturing | 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 | major sources | https://referencesource.org/neshap-source-category-crosswalk/refractory-products-manufacturing/ | [
"source_category"
] |
40 CFR 63 Subpart WWWW | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/reinforced-plastic-composites-production-national-emission | reinforced-plastic-composites-production | styrene, methyl methacrylate (MMA), and methylene chloride (dichloromethane) | 2020-03-20T00:00:00 | 2003-04-21T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/reinforced-plastic-composites-production-national-emission | Reinforced Plastic Composites Production | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/reinforced-plastic-composites-production/ | [
"source_category"
] |
40 CFR 63 Subpart XXXX | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/rubber-tire-manufacturing-national-emission-standards-hazardous | rubber-tire-manufacturing | null | 2026-06-22T00:00:00 | 2002-07-09T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8 | Rubber Tire Manufacturing | Rubber Tire Manufacturing | 40 CFR 63 Subpart XXXX | major sources | https://referencesource.org/neshap-source-category-crosswalk/rubber-tire-manufacturing/ | [
"cfr_subpart",
"source_category"
] |
40 CFR 63 Subpart RRR | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/secondary-aluminum-production-national-emission-standards | secondary-aluminum | HAP organics, inorganic HAPs (hydrogen chloride, hydrogen fluoride, and chlorine), and particulate HAP metals | 2016-06-13T00:00:00 | 2000-03-23T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/secondary-aluminum-production-national-emission-standards | Secondary Aluminum | 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 kn... | major sources | https://referencesource.org/neshap-source-category-crosswalk/secondary-aluminum/ | [
"key_haps_regulated",
"source_category"
] |
40 CFR 63 Subpart FFFFFF (6F) | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/secondary-copper-smelting-area-sources-national-emissions | secondary-copper-smelting-area-sources | particulate matter | 2007-07-03T00:00:00 | 2007-01-23T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8 | Secondary Copper Smelting (area sources) | Secondary Copper Smelting (area sources) | 40 CFR 63 Subpart FFFFFF (6F) | area sources | https://referencesource.org/neshap-source-category-crosswalk/secondary-copper-smelting-area-sources/ | [
"cfr_subpart",
"source_category"
] |
40 CFR 63 Subpart X | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/secondary-lead-smelting-national-emissions-standards-hazardous-air | secondary-lead-smelters | lead | 2014-01-03T00:00:00 | 1995-06-23T00:00:00 | pending | https://www.epa.gov/stationary-sources-air-pollution/secondary-lead-smelting-national-emissions-standards-hazardous-air | Secondary Lead Smelters | 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; building... | major sources | https://referencesource.org/neshap-source-category-crosswalk/secondary-lead-smelters/ | [
"key_haps_regulated",
"source_category"
] |
40 CFR 63 Subpart TTTTTT (6T) | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/secondary-nonferrous-metals-processing-area-sources-national | secondary-nonferrous-metals-processing-brass-bronze-magnesium-and-zinc-area-sour | particulate matter | 2007-12-26T00:00:00 | 2007-12-26T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/secondary-nonferrous-metals-processing-area-sources-national | Secondary Nonferrous Metals Processing (Brass, Bronze, Magnesium and Zinc) (area sources) | 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 li... | area sources | https://referencesource.org/neshap-source-category-crosswalk/secondary-nonferrous-metals-processing-brass-bronze-magnesium-and-zinc-area-sour/ | [
"key_haps_regulated"
] |
40 CFR 63 Subpart BBBBB | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/semiconductor-manufacturing-national-emission-standards-hazardous | semiconductor-manufacturing | 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 | 2008-07-22T00:00:00 | 2003-05-22T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/semiconductor-manufacturing-national-emission-standards-hazardous | Semiconductor Manufacturing | 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), hyd... | major sources | https://referencesource.org/neshap-source-category-crosswalk/semiconductor-manufacturing/ | [
"key_haps_regulated"
] |
40 CFR 63 Subpart II | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/shipbuilding-and-ship-repair-surface-coating-national-emission | shipbuilding-and-ship-repair-surface-coating | xylene, toluene, ethylbenzene, methyl isobutyl ketone, ethylene glycol, and glycol ethers | 2011-11-21T00:00:00 | 1995-12-15T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/shipbuilding-and-ship-repair-surface-coating-national-emission | Shipbuilding and Ship Repair Surface Coating | 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). | major sources | https://referencesource.org/neshap-source-category-crosswalk/shipbuilding-and-ship-repair-surface-coating/ | null |
40 CFR 63 Subpart GGGGG | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/site-remediation-national-emission-standards-hazardous-air | site-remediation | organic hap | 2022-12-22T00:00:00 | 2003-10-08T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/site-remediation-national-emission-standards-hazardous-air | Site Remediation | 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 dispo... | major sources | https://referencesource.org/neshap-source-category-crosswalk/site-remediation/ | null |
40 CFR 63 Subpart GGGG | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/solvent-extraction-vegetable-oil-production-national-emission | solvent-extraction-for-vegetable-oil-production | null | 2020-03-18T00:00:00 | 2001-04-12T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/solvent-extraction-vegetable-oil-production-national-emission | Solvent Extraction for Vegetable Oil Production | 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... | major sources | https://referencesource.org/neshap-source-category-crosswalk/solvent-extraction-for-vegetable-oil-production/ | null |
40 CFR 63 Subpart YYYY | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/stationary-combustion-turbines-national-emission-standards | stationary-combustion-turbines | formaldehyde, toluene, benzene, and acetaldehyde | 2022-03-09T00:00:00 | 2004-03-05T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/stationary-combustion-turbines-national-emission-standards | Stationary Combustion Turbines | 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... | major sources | https://referencesource.org/neshap-source-category-crosswalk/stationary-combustion-turbines/ | [
"key_haps_regulated",
"source_category"
] |
40 CFR 63 Subpart CCC | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/steel-pickling-hcl-process-facilities-and-hydrochloric-acid | steel-pickling-hcl-process | hydrochloric acid, chlorine | 2012-09-19T00:00:00 | 1999-06-22T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/steel-pickling-hcl-process-facilities-and-hydrochloric-acid | Steel Pickling - HCL Process | 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). | major sources | https://referencesource.org/neshap-source-category-crosswalk/steel-pickling-hcl-process/ | null |
40 CFR 63 Subpart RRRRR | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/taconite-iron-ore-processing-national-emission-standards-hazardous | taconite-iron-ore-processing | hydrogen chloride and hydrogen fluoride, and establishing new emission limits for mercury | 2024-03-06T00:00:00 | 2003-10-30T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/taconite-iron-ore-processing-national-emission-standards-hazardous | Taconite Iron Ore Processing | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/taconite-iron-ore-processing/ | [
"key_haps_regulated",
"source_category"
] |
40 CFR 63 Subpart UUUUU | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/mats | utility-neshap | mercury | 2026-02-24T00:00:00 | 2014-11-07T00:00:00 | not stated | https://www.epa.gov/mats | Utility NESHAP | 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 ca... | major sources | https://referencesource.org/neshap-source-category-crosswalk/utility-neshap/ | [
"key_haps_regulated"
] |
40 CFR 61 Subpart F | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/vinyl-chloride-national-emission-standards-hazardous-air | vinyl-chloride | vinyl chloride | 1990-07-10T00:00:00 | 1976-10-21T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/vinyl-chloride-national-emission-standards-hazardous-air | Vinyl Chloride | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/vinyl-chloride/ | [
"key_haps_regulated",
"source_category"
] |
40 CFR 63 Subpart HHHH | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/wet-formed-fiberglass-mat-production-national-emission-standards | wet-formed-fiberglass-mat-production | organic hap, formaldehyde, methanol | 2018-04-06T00:00:00 | 2002-04-11T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/wet-formed-fiberglass-mat-production-national-emission-standards | Wet Formed Fiberglass Mat Production | 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 HA... | major sources | https://referencesource.org/neshap-source-category-crosswalk/wet-formed-fiberglass-mat-production/ | null |
40 CFR 63 Subpart QQQQ | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/surface-coating-wood-building-products-national-emission-1 | wood-building-products-surface-coating-formerly-flat-wood-paneling-products | toluene, benzene, glycol ethers, methyl ethyl ketone, methyl isobutyl ketone, methanol, styrene, formaldehyde | 2019-03-04T00:00:00 | 2003-05-28T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/surface-coating-wood-building-products-national-emission-1 | Wood Building Products Surface Coating (formerly Flat Wood Paneling Products) | 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 sect... | major sources | https://referencesource.org/neshap-source-category-crosswalk/wood-building-products-surface-coating-formerly-flat-wood-paneling-products/ | null |
40 CFR 63 Subpart JJ | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/wood-furniture-manufacturing-operations-national-emission | wood-furniture-surface-coating | organic hap, toluene, xylene, methanol, methyl ethyl ketone, methyl isobutyl ketone, glycol ethers, formaldehyde | 2011-11-21T00:00:00 | 1995-12-07T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/wood-furniture-manufacturing-operations-national-emission | Wood Furniture Surface Coating | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/wood-furniture-surface-coating/ | null |
40 CFR 63 Subpart QQQQQQ (6Q) | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/wood-preserving-area-sources-national-emission-standards-hazardous | wood-preserving-area-sources | chromium, arsenic, methylene chloride | 2008-03-26T00:00:00 | 2007-07-16T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/wood-preserving-area-sources-national-emission-standards-hazardous | Wood Preserving (area sources) | 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. | area sources | https://referencesource.org/neshap-source-category-crosswalk/wood-preserving-area-sources/ | null |
40 CFR 63 Subpart NNN | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-national-emissions-standards | wool-fiberglass-manufacturing | particulate matter, chromium, methanol, formaldehyde | 2017-12-26T00:00:00 | 1999-06-01T00:00:00 | completed | https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-national-emissions-standards | Wool Fiberglass Manufacturing | 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. | major sources | https://referencesource.org/neshap-source-category-crosswalk/wool-fiberglass-manufacturing/ | [
"source_category"
] |
40 CFR 63 Subpart NN | [
"epa_category_url",
"rtr_status",
"source_type"
] | https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-area-sources-national-emission | wool-fiberglass-manufacturing-area-sources | chromium | 2015-07-29T00:00:00 | 2015-07-29T00:00:00 | not stated | https://www.epa.gov/stationary-sources-air-pollution/wool-fiberglass-manufacturing-area-sources-national-emission | Wool Fiberglass Manufacturing (area sources) | This rule regulates air toxics emitted from wool fiberglass manufacturing at area sources. The rule requires gas-fired furnaces to meet chromium emissions limits. | area sources | https://referencesource.org/neshap-source-category-crosswalk/wool-fiberglass-manufacturing-area-sources/ | [
"key_haps_regulated"
] |
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