United States

Certification of Truth, Accuracy, and Completeness (CTAC)

Part 71 Form

2016 Petition Requesting the Administrator Object to Title V Permit for Duke Energy Progress Asheville

This document is part of the Title V Petition Database.

Final Contingency Measures Guidance

The EPA Final Contingency Measures Guidance provides nationally applicable guidance to air agencies for the preparation of ozone and particulate matter plans and focuses on the requirements for those plans to include contingency measures.

DRAFT Contingency Measures Guidance

DRAFT guidance for comment

Crane Company Manitowoc to Pay $42.6M for Clean Air Act Violations for Sale of Noncompliant Diesel Engines in Heavy Duty Cranes

Settlement requires company to retrofit a short-line locomotive engine to improve air quality along 70-mile-long pathway in the Sparrows Point area of Maryland

EPA News Release: Crane Company Manitowoc to Pay $42.6M for Clean Air Act Violations for Sale of Noncompliant Diesel Engines in Heavy Duty Cranes

• Release Date: December 19, 2024

National Wetland Condition Assessment 2011 Results

Results from the 2011 National Wetland Condition Assessment.

Webinars on Source Water Protection Funding

Source Water Protection Funding Webinars

Alternative Demonstration Approach for the 2024 Secondary Sulfur Dioxide National Ambient Air Quality Standard under the Prevention of Significant Deterioration Program

This document is part of the NSR Policy & Guidance Database.

EPA Additions to Illinois' 2024 Impaired Waters List

This notice announces EPA solicitation of public comment on its identification of 19 water quality limited segments impaired by total phosphorus to be included on Illinois’ 2024 List of Impaired Waters under Section 303(d) of the Clean Water Act.

Re-Issuance of Clarification - State Implementation Plans (SIPs): Policy Regarding Excess Emissions During Malfunctions, Startup, and Shutdown

This document is part of the Title V Policy and Guidance Database.

Limetree Bay Terminals, St. Croix, U.S. Virgin Islands - Permitting Questions

This document is part of the NSR Policy and Guidance Database

Dental Effluent Guidelines Documents

Support documents for the Dental Office Effluent Guidelines regulation (40 CFR Part 441)

Coil Coating Effluent Guidelines Documents

Support documents for Coil Coating Effluent Guidelines (40 CFR Part 465)

Effluent Guidelines Plan

EPA publishes a biennial plan for the annual review & revision of promulgated effluent guidelines and identifying new & revised regulations; under Clean Water Act sec. 304(m).

2019 Petition Requesting the Administrator Object to Title V Permit for Montgomery County Resource Recovery Facility

This document is part of the Title V Petition Database.

2018 Order Denying Petition for Objection to Title V Operating Permit for Suncor

This document is part of the title V petition database.

Emission Unit Description for Combustion Sources (EUD1)

Part 71 Form

General Information and Summary

Part 71 Form

Emission Unit Description for VOC emitting Sources (EUD2)

Part 71 Form

Emission Calculations (EMISS)

Part 71 Form