Laws & Regulations

Texas SIP: 30 TAC 117.400-117.456: Dallas-Fort Worth Eight-Hour Ozone Nonattainment Area Major Sources; SIP effective January 2, 2009 (TXd97)

Texas SIP: 30 TAC 117.400-117.456: Dallas-Fort Worth Eight-Hour Ozone Nonattainment Area Major Sources; SIP effective 2009-01-02 (TXd106)

Texas SIP: 30 TAC 117.300-117.356: Houston-Galveston-Brazoria Ozone Nonattainment Area Major Sources; SIP effective 2009-01-31 (TXd97) to 2009-09-28

Texas SIP: 30 TAC 117.131-117.149: Utility Electric Generation in East and Central Texas; SIP effective October 6, 2006 (TXd80)

Texas SIP: 30 TAC 117.131-117.149: Utility Electric Generation in East and Central Texas; SIP effective 2006.10.06

Texas SIP: 30 TAC 117.510-117.570: Administrative Provisions, SIP effective October 6, 2006 (TXd80)

Texas SIP: 30 TAC 117.510-117.570: Administrative Provisions, SIP effective 2006-10-06

Texas SIP: 30 TAC 117.101-117.121: Utility Electric Generation in Ozone Nonattainment Areas; SIP effective October 6, 2006 (TXd80)

Texas SIP: 30 TAC 117.101-117.121: Utility Electric Generation in Ozone Nonattainment Areas; SIP effective 2006.10.06

Texas SIP: 30 TAC 117.512. Compliance Schedule For Utility Electric Generation in East and Central Texas; SIP effective 2004.04.26

Texas SIP: 30 TAC 111.[F] Particulate Matter; SIP effective 05/31/72 until May 28, 2009

Texas SIP: 30 TAC 117.301-117.321: Adipic Acid Manufacturing, SIP effective October 6, 2006 (TXd80)

Texas SIP: 30 TAC 117.301-117.321: Adipic Acid Manufacturing, SIP effective 2006-10-06

NEPPS: Implementing Performance Partnerships

Read information about NEPPS information and partnerships for protecting human health and the environment.

Texas SIP: 30 TAC Chapter 118: Control Of Air Pollution Episodes, SIP effective September 25, 2000 (TXd009)

Texas SIP: 30 TAC 118.1-118.6

Texas SIP: 30 TAC 115.531-115.539: Pharmaceutical Manufacturing Facilities; SIP effective 1999.03.29 TXc105 to 2008.03.27

Region 8 NPDES Lagoon General Permit

The Region 8 NPDES Lagoon General Permit was public noticed in the Federal Register on August 25, 2021. The final permits are effective as of April 1, 2022.

Results using EPA’s Power Sector Modeling Platform v6 - January 2020 Reference Case

Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.

EPA's Power Sector Modeling Platform v6 using IPM - November 2018 Reference Case

This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.

Final PM NAAQS

Final PM NAAQS Regulatory Impact Analysis

IPM Analysis of the Proposed Carbon Pollution Standards

Learn about how EPA used Integrated Planning Models (IPM) to analyse the effects of the proposed Carbon Pollution Standards for New Power Plants.

Analysis of the Final ACE Rule

Find on this page the files for the Integrated Planning Model runs for EPA's proposed Guidelines for Reducing Electric utility generating unit (EGU) Emissions Nationwide (GREEN)

NODA for EPA's Updated Ozone Transport Modeling

Find EPA's NODA for the Updated Ozone Transport Modeling Data for the 2008 Ozone National Ambient Air Quality Standard (NAAQS) along with the Exit
Extension of Public Comment Period on CSAPR for the 2008 NAAQS.

Analysis of the Proposed Cross-State Air Pollution Update Rule

IPM analyses of the proposed Cross-State Air Pollution Update Rule.

Analysis of the Cross-State Air Pollution Rule Update

IPM analyses of the proposed Cross-State Air Pollution Update Rule.