Learn the Issues

Stage 1 and Stage 2 Compliance Help for Primacy Agencies

These guidance will help EPA regions and states with implementation of the rule’s provisions.

Chemical Contaminant Rules Compliance for Community Water System Owners and Operators

This page contains information on chemical contaminant rules that the regulated community can use to aid their compliance efforts.

Optimal Corrosion Control Treatment Evaluation Technical Recommendations

This document provides technical recommendations that both systems and primacy agencies can use to comply with LCR CCT requirements and effective evaluation and designation of optimal corrosion control treatment (OCCT).

Primacy Enforcement Responsibility for Public Water Systems

This page contains the EPA's revisions and policies on primacy.

Support Documents for the Final Arsenic Rule

Support Documents for the Final Arsenic Rule.

Lead and Copper Rule Clarification of Requirements for Collecting Samples and Calculating Compliance

Clarification of Requirements for Collecting Samples and Calculating Compliance for the Lead and Copper Rule.

Coal Ash Final Rule Webinar Presentation Slides

Webinar slides used for the March 4, 2015 presentation titled Disposal of Coal Combustion Residuals (CCR) from Electric Utilities – Overview of the Final Rule.

Department of Transportation (DOT) Letter Regarding Samples Preserved According to EPA Requirements

February 2003 letter that responds to an EPA letter regarding the applicability of the Hazardous Materials Regulations to certain environmental standards.

Guidance for Methods Development and Methods Validation for the Resource Conservation and Recovery Act (RCRA) Program

This document explains the SW-846 methods development process, including proof of concept and formal validation.

Water Utilities and the Emergency Management Assistance Compact

Provides overview of how utilities can receive assistance from utilities in other states.

Water Laboratory Alliance Membership Application

Apply to become a WLA member

Transitioning to Low-GWP Alternatives in Building and Construction Foams

This fact sheet provides information on low-GWP foam blowing alternatives used in building and construction applications. It discusses HFC alternatives, market trends, challenges to market entry for alternatives, and potential solutions.

Transitioning to Low-GWP Alternatives in Transport Refrigeration

This fact sheet provides information on low-GWP refrigerant and foam blowing agent alternatives used in transport refrigeration equipment. It discusses HFC alternatives, market trends, challenges to market entry for alternatives, and potential solutions.

Transitioning to Low-GWP Alternatives in Unitary Air Conditioning

This fact sheet provides current information on low-Global Warming Potential (GWP) refrigerant alternatives used in unitary air-conditioning equipment, relevant to the Montreal Protocol on Substances that Deplete the Ozone Layer.

RE: Request for Correction, Technical Support Document, "Greenhouse Gas Emissions Reporting from the Petroleum and Natural Gas Industry

The Industrial Energy Consumers of America (IECA) joins the U.S. Chamber of Commerce in its request for correction of information developed by the Environmental Protection Agency (EPA) in a background technical support document titled "Greenhouse Gas Emiss