Laws & Regulations

New Hampshire Small MS4 General Permit

Information and documents on the Draft New Hampshire Small MS4 General Permit

Sulfur Dioxide (SO2) Air Quality Standards - Documents from Review Completed in 2010

NPDES Permit for Potomac Electric Power Company (PEPCO) Benning Generating Station

Under National Pollutant Discharge Elimination System permit number DC0000094, the Potomac Electric Power Company (PEPCO) is authorized to discharge from the Benning Service Center to receiving waters named Anacostia River.

FARMINGTON ELECTRIC UTILITY SYSTEM - BLUFFVIEW POWER PLANT - FINAL NPDES PERMIT NO. NM0031135

FARMINGTON ELECTRIC UTILITY SYSTEM - BLUFFVIEW POWER PLANT - Final NPDES PERMIT NO. NM0031135

Getting Started with Lead Service Line Identification and Replacement

Information for water systems on how to begin planning for lead service line replacement, including links to important regulatory information.

Resources for Neighboring Jurisdiction Process

Provides overview of CWA Section 401(a)(2) and resources to help implement Section 401.

Method 5G - Particulate Matter Wood Heaters from a Dilution Tunnel

CFR Promulgated Test Method 5G PM Wood Heaters from a Dilution Tunnel (Particulate Matter)

Supply, Underground Injection, and Geologic Sequestration of Carbon Dioxide

The CO2 Supply and Injection sector consists of CO2 suppliers and facilities that inject CO2 underground, including data from the 2023 Data Highlights.

Performance Specification 4B for Carbon Monoxide and Oxygen

Performance Specification 4B - Specifications and Test Procedures For Carbon Monoxide Continuous Emission Monitoring Systems In Stationary Sources

Rules for Chemicals Made from Plastic Waste-Based Feedstocks under the Toxic Substances Control Act

TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-18-0401

This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-18-0401.

TSCA Section 5(e) Exposure-Based Policy: Testing

This page contains the basic TSCA section 5(e) exposure-based testing typically triggered by meeting human or environmental exposure criteria.

TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-18-0177

This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-18-0177 .

TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-17-0362

This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-17-0362.

Significant New Use Rules on Certain Chemical Substances (19-4.B)

EPA is proposing a significant new use rule (SNUR) under the Toxic Substances Control Act (TSCA) for one chemical substance which was the subject of a premanufacture notice (PMN), P-11-482.

TSCA Section 5(a)(3)(C) Determination for Microbial Commercial Activity Notice (MCAN) J-18-0001

This document describes EPA's Microbial Commercial Activity Notice (MCAN) review determination under amended TSCA for J-18-0001.

TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-16-0532

This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-16-0532.

Recognized Accreditation Bodies under the Formaldehyde Emission Standards for Composite Wood Products Rule

List of EPA-recognized TSCA Title VI ABs.

Guidance for Requesting Access to Confidential Business Information

Companies reporting information to EPA may request it be treated as Confidential Business Information (CBI)

Assigning and Applying Unique Identifiers for Approved Confidential Business Information Claims

Companies reporting information to EPA may request it be treated as Confidential Business Information (CBI)