Laws & Regulations
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TSCA Section 4(a)(2) Test Order for 1,2-Dichloropropane
This is the Test Order issued by EPA to require testing from certain manufacturers and processors of 1,2-Dichloropropane (CASRN 78-87-5).
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TSCA Section 4(a)(2) Test Order for p-Dichlorobenzene
This is the Test Order issued by EPA to require testing from certain manufacturers and processors of p-Dichlorobenzene (CASRN 106-46-7).
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2006 National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM2.5)
learn more about the 2006 primary and secondary particulate matter National Ambient Air Quality Standards for PM2.5 and PM10 by reading the rule summary, rule history, and supporting documents
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Industrial, Commercial, and Institutional Boilers and Process Heaters: National Emission Standards for Hazardous Air Pollutants (NESHAP) for Major Sources
learn about the regulations for boilers and process heaters for major sources and subpart DDDDD . Read the rule summary, rule history, fact sheets docket documents, and additional resources.
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Part 71 Operating Permit 2009 - Jicarilla Apache Los Mestenios Compressor Station
Part 71 Title V Operating Permits at Jicarilla Apache Los Mestenios Compressor Station
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Implementation of the 1997 and 2006 Particulate Matter (PM2.5) National Ambient Air Quality Standards (NAAQS)
learn about the implementation rules for the 2006 PM NAAQS by reading the summary, the rule history, and additional documents like fact sheets and court opinions
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Small Business and the Risk Management Program
This factsheet helps small businesses comply with the regulation requiring companies that use regulated substances, hazardous chemical such as ammonia and chlorine, to develop a risk management plan, to help prevent accidental toxic or flammable releases.
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DJR Operating LLC Oil and Gas FIP on Jicarilla Apache Tribal Lands
FIP True Minor Source in Indian Country in the Oil and Gas Sector
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Tribal NSR Permits in EPA's South Central Region
Air permitting in EPA's South Central region, Region 6; serving Arkansas, Louisiana, New Mexico, Oklahoma, Texas and 66 Tribes
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 45. Monitoring of Emissions, SIP effective as of February 27, 2009 (OKd06)
Oklahoma SIP: OAC 252:100-45-1 to 252:100-45-5
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 37. Control of Emission of Volatile Organic Compounds (VOCs), Part 3. Control of VOCs in Storage and Loading Operations, SIP effective February 27, 2009 (OKd06) and January 29, 2024 (OKd36)
Oklahoma SIP: OAC 252:100-37-15 to 252:100-37-16
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 39. Emission of Volatile Organic Compounds (VOCs) in Nonattainment Areas and Former Nonattainment Areas, Part 1. General Provisions, SIP effective Feb 27, 2009 (OKd06) and Aug 29,2022 (OKd31)
Oklahoma SIP: OAC 252:100-39-1 to 252:100-39-4
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the New Jersey SIP
This section sets forth the applicable State Implementation Plan (SIP) for New Jersey under section 110 of the Clean Air Act, as amended, 42 U.S.C. 7401 et seq., and 40 CFR part 51 to meet National Ambient Air Quality Standards.
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UIC Permit: PAS2R900BMCK
MarcellX underground injection control permit
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Final NPDES Permit for Yauco Wastewater Treatment Plant in Yauco, Puerto Rico
EPA's NPDES wastewater permit for the Yauco Wastewater Treatment Plant in Yauco, Puerto Rico.
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Certificate of Registration for the National Vehicle and Fuel Emissions Laboratory (NVFEL) for Conformance to International Organization for Standardization (ISO) 14001:2015 Standards
This certificate recognizes that the EPA NVFEL has been assessed by NSF-ISR and found to be in conformance to ISO 14001:2004 Standards.
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2016
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2016.