Science & Technology

Air Quality Management Process Cycle

Air quality management are activities a regulatory authority undertakes to protect human health and the environment from the harmful effects of air pollution. The process of managing air quality can be illustrated as a cycle of inter-related elements.

Highlights from the Clean Air Act 40th Anniversary

On September 14, 2010, EPA celebrated the 40th anniversary of the Clean Air Act with a conference to examine the successes and challenges of the Clean Air Act.

What data are available to download from the National Aquatic Resource Surveys?

Data files for the National Aquatic Resource Surveys

Subpart MM RTR Final Rule Supporting Documentation

Technical supporting documentation for the final RTR

National Coastal Condition Assessment- Related Studies

eGRID PM2.5

eGRID PM2.5 data and methodology are presented.

Map of National Aquatic Resource Surveys Sampling Locations

This map displays all of the lakes, rivers and streams, wetlands, and coastal waters sampled by the National Aquatic Resource Surveys, a collaborative EPA program that assesses the condition of the nation's waters using statistical designs.

GHGRP 2021: Emissions by GHG

Data from greenhouse gas-emitting facilities and suppliers in 2021 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.

GHGRP 2021: Suppliers of Industrial GHGs and Products Containing GHGs

Overview and data highlights of 2021 natural gas and natural gas liquids sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

EPA Resource Guide for Managers of Coastal Watersheds with Coral Reefs

Relevant EPA programs and tools that can help watershed managers address land-based sources of pollution that impact coral reefs.

Overview of the Clean Air Act and Air Pollution

The Clean Air Act (CAA) has helped with air pollution and you can find information on the progress made, how the law works and challenges to overcome.

Ozone and Your Patients' Health

The short, evidence-based training course describes the health impacts of ozone pollution and provides tools to help care providers and patients.

Sources of Coal Mine Methane

Coal mine methane can be released during mining and is primarily emitted from five sources.

CyanoHAB Newsletters 2014

Information related to CyanoHABs Newsletters 2014.

Region 6 QA Training for Region 6

Information from Region 6 about training

R6 QA Training for Other QA Personnel