Laws & Regulations
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Approved Air Quality Implementation Plans in EPA's Pacific Southwest (Region 9)
Approved State Implementation Plans, Tribal Implementation Plans, and Federal Implementation Plans in EPA's Pacific Southwest (Region 9), including: Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations.
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EPA Office of Inspector General Identifies Concerns Involving Agency’s Scientific Integrity
EPA Office of Inspector General Identifies Concerns Involving Agency’s Scientific Integrity
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TRI Reporting Forms Modification Rule
In 2005, EPA simplified TRI reporting requirements through a final rule related to elements of the TRI reporting Form R and Form A Certification Statement.
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Deletion of Certain Chemicals
1998 deletion of several chemicals from the list of chemicals subject to TRI reporting requirements.
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Acetonitrile Petition
EPA has twice denied petitions to delete acetonitrile from the TRI chemical list.
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News Release: EPA OIG 2024 Year in Review — A Landmark Year in Fighting Fraud and Strengthening Oversight
News Release: EPA OIG 2024 Year in Review — A Landmark Year in Fighting Fraud and Strengthening Oversight
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Texas SIP: 30 TAC 101.300-101.311: Emission Credit Banking and Trading, SIP effective July 10, 2017 (TXd195) to January 7, 2018
Texas SIP: 30 TAC 101.300-101.311
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Texas SIP: 30 TAC 101.390-101.403. Highly-Reactive Volatile Organic Compound Emissions Cap and Trade Program; SIP effective October 6, 2006 (TXd78) to February 2, 2014 (TXd145)
Texas SIP: 30 TAC 101.390-101.403. Highly-Reactive Volatile Organic Compound Emissions Cap and Trade Program; SIP effective 2006-10-06
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Texas Chapter 115 (30 TAC 115), Subchapter B, Division 3, Water Separation, SIP effective January 22, 2018 (TXd204)
Texas SIP: 30 TAC 115.131-115.139
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Texas SIP: 30 TAC 115.440-115.449: Offset Lithographic Printing, SIP effective January 22, 2018 (TXd204) to present
Texas SIP: 30 TAC 115.440-115.449
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Texas SIP: 30 TAC 115.510-115.519: Cutback Asphalt, SIP effective January 22, 2018 (TXd204)
Texas SIP: 30 TAC 115.420-115.429
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Texas SIP: 30 TAC 101.370-101.379: Discrete Emission Credit Banking and Trading, SIP effective July 10, 2017 (TXd195) to January 7, 2018
Texas SIP: 30 TAC 101.370-101.379
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Oklahoma Chapter 4 (OAC 252:4), Appendix C, Permitting Process Summary, SIP effective December 27, 2010 (OKd07) to June 13, 2017 (OKd21)
Oklahoma SIP: OK 252: 4 Appendix C. Permitting Process Summary; SIP effective 2010-12-27 (OKd07) to 2017-06-13
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Texas SIP: 30 TAC 101.370-101.379: Discrete Emission Credit Banking and Trading, SIP effective January 8, 2018 (TXd203) to present
Texas SIP: 30 TAC 101.370-101.379
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Texas SIP: 30 TAC 115.120-115.129: Vent Gas Control, SIP effective January 22, 2018 (TXd204)
Texas SIP: 30 TAC 115.110-115.119
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Greenhouse Gas Reporting Requirements Related to Stationary Refrigeration and Air Conditioning
Provides links to information about parts of the 2009 Mandatory Reporting of Greenhouse Gases Rule that are relevant to owners and importers of stationary refrigeration and air-conditioning equipment.
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Louisiana LAC 33:III Ch. 5 Section 504 - Nonattainment New Source Review Procedures, SIP effective as of September 6, 2016 (LAd51)
LA SIP: LAC 33:III Ch. 5 Section 504