Laws & Regulations
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Vol. 58 No. 90 Wednesday, May 12, 1993 p 28094 (Proposed Rule)
This action proposes the U.S. Environmental Protection Agency's (EPA) program for evaluating and regulating substitutes for the ozone-depleting chemicals being phased out under the stratospheric ozone protection provisions of the Clean Air Act (CAA).
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Sector Fact Sheets
sector fact sheets on transitioning out of HFCs
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Oklahoma OAC 252 Chapter 4. Rules of Practice and Procedure, Subchapter 1. General Provisions, SIP effective May 11, 2020 (OKd29)
Oklahoma SIP: OK 252:4-1. General Provisions; SIP effective 2017-06-14 (OKd21)
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Alternate Test Procedures to Perform Clean Water Act Monitoring in EPA's Pacific Southwest (Region 9)
When performing Clean Water Act (CWA) monitoring for National Pollutant Discharge Elimination System (NPDES) compliance, only approved analytical methods identified in 40 CFR Part 136 may be used to analyze for regulated constituents.
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2020 Order Denying in a Petition for Object to Title V Operating Permit for Riverview
This document is part of the title V petition database.
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 1. General Provisions, SIP effective May 11, 2020 (OKd29) and September 15, 2022 (OKd32)
Oklahoma SIP: OK 252:100- 1 General Provisions, SIP effective 2016-10-28 (OKd18)
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Oklahoma OAC 252:100-17, Incinerators, Part 3. General Purpose Incinerators, SIP effective January 4, 2016 (OKd15) and September 3, 2019 (OKd27)
Oklahoma SIP: OAC 252:100-17-1 to 252:100-17-11
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 25. Visible Emissions and Particulates, SIP effective January 4, 2016 (OKd15) and September 3, 2019 (OKd27)
Oklahoma SIP: OAC 252:100-25-1 to 252:100-25-5
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 5. Registration, Emission Inventory and Annual Operating Fees, SIP effective May 11, 2020 (OKd29)
Oklahoma SIP: OAC 252:100-5-1 to 252:100-5-3
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 13. Open Burning, SIP effective May 25, 2023 (OKd34)
Oklahoma SIP: OAC 252:100-13-1 to 252:100-13-11
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Quantified Climate Action Measures Directory – State Directory
The State Quantified Climate Action Measures Directory presents a searchable list of quantified greenhouse gas reduction (GHG) measures and the tools used to quantify them.
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Tribal Minor NSR Permit Amendment Application Form in EPA's South Central Region
This Tribal Minor NSR application form should be used to request amendments to an existing Tribal NSR permit issued by the EPA Region 6 Tribal NSR Permitting Program.
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Tribal Minor NSR Facility Location Change Form in EPA's South Central Region
This form should be used to notify the EPA Region 6 Federal Minor NSR Permit Program that the location of an existing True Minor NSR or Synthetic Minor NSR source has changed.
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Frequent Questions about Volkswagen Violations
Frequent questions about EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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SO2 Data Requirements Rule January 13, 2017 State Submittals - Michigan
SO2 Data Requirements Rule January 13, 2017 State Submittals - Michigan
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Roadmap for Incorporating Energy Efficiency/Renewable Energy in State and Tribal Implementation Plans
Fact Sheet for Roadmap for Incorporating Energy Efficiency and Renewable Energy Policies and Programs in State Implementation Plans and Tribal Implementation Plans
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EPA-Approved Regulations for Pinal County Air Quality Control District
EPA Approved Regulations for Pinal County that are part of the Arizona State Implementation Plan (SIP)
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EPA Approved State-Wide Regulations in the Arizona SIP
EPA Approved State-Wide Regulations in the Arizona State Implementation Plan (SIP).