Laws & Regulations

Frequently Asked Questions - Cummins Violation of Clean Air Act Vehicle Emission System Controls Requirements

Frequently Asked Questions related to the 2024 Settlement with Cummins Inc for violation of Clean Air Act Vehicle Emission System Controls Requirements and recall program.

2014 Petition Requesting the Administrator Object to Title V Permit for Shell Deer Park Refinery

This document is part of the Title V Petition Database.

2020 Order Denying in a Petition for Object to Title V Operating Permit for Hanford

This document is part of the title V petition database.

Mercury

Basic information about mercury, how it gets in the air, how people are exposed to it and health effects associated with exposure; what EPA and other organizations are doing to limit exposures; and information about products that contain mercury

Report: Independent Audit of the EPA’s Fiscal Year 2025 Consolidated Financial Statements

Lead (Pb) Standards - Integrated Science Assessments from Current Review

Scientific and technical Integrated Science Assessments used to develop the current lead national ambient air quality standard.

Texas SIP: 30 TAC 114.319, Affected Counties and Compliance Dates, SIP effective date 2005-04-06

Texas SIP: 30 TAC 114.1. Definitions; SIP effective 04/09/2001

Texas SIP: 30 TAC 114.420-114.429. Non-Road Large Spark-IgnitionEngines; SIP effective 12/14/2001

Texas SIP: 30 TAC 101.10: Emissions Inventory Requirements; SIP effective 03/29/99 to 2005-04-29

Texas SIP: 30 TAC 101.10: Emissions Inventory Requirements; SIP effective 03/29/99 until 2005-04-29

Texas SIP: 30 TAC 114.05. Exclusions and Exceptions; SIP effective 03/13/89 to April 9, 2001

Texas SIP: 30 TAC 114.05. Exclusions and Exceptions; SIP effective 03/13/89 until April 9, 2001

Texas SIP: 30 TAC 114.21. Employer Trip Reduction Program; SIP effective 04/06/95 to 11/18/97

Texas SIP: 30 TAC 114.21. Employer Trip Reduction Program; SIP effective 04/06/95 until 11/18/97

Texas SIP: 30 TAC 19.1-19.14: Electronic Reporting, SIP effective September 21, 2010 (TXd116)

Texas SIP: 30 TAC 19.1-19.14

Texas SIP: 30 TAC 114.5. Transportation Planning Definitions; SIP effective 01/06/2003

Texas SIP: 30 TAC 114.260. Transportation Conformity; SIP effective 04/09/2001

Texas SIP: 30 TAC 114.260. Transportation conformity; SIP effective 09/07/99 to April 9, 2001

Texas SIP: 30 TAC 114.260. Transportation conformity; SIP effective 09/07/99 until April 9, 2001

Texas SIP: 30 TAC 111.[H] Exemptions; SIP effective 04/26/83 to May 28, 2009

Texas SIP: 30 TAC 111.[H] Exemptions; SIP effective 04/26/83 until May 28, 2009

Texas SIP: 30 TAC 112.14: Allowable Emission Rates—Nonferrous Smelter Processes

Texas SIP: 30 TAC 112.14

Texas SIP: 30 TAC 111.201-111.221. Outdoor Burning; SIP effective 2009-05-28 (TXd103) to 2017-03-20

Texas SIP: 30 TAC 111.[D] Abrasive Blasting of Water Storage Tanks Performed by Portable Operations