Science & Technology

Environmental Benefits of Green Infrastructure

Green infrastructure captures, absorbs, and reduces runoff; filters stormwater; and delivers other environmental, social, and economic benefits.

AI in Disaster Preparedness, Response, and Recovery

The EPA's ORD offers free public webinars on recent research results. Watch a pre-recorded webinar showcases real-world applications of AI and its future potential in disaster preparedness and recovery.

Air Issues in New Mexico

Air Programs and Pollution Issues in New Mexico

Get Research Publications and News by Email

EPA's six research priorities: Air, Climate, Energy; Chemical Safety for Sustainability, Homeland Security, Human Health Risk Assessment, Sustainable and Healthy Communities, Safe and Sustainable Water Resources.

Incremental Evaluation of New CMAQ Versions

The impact on model predicted pollutant concentrations of the major changes in the CMAQv5.2 system compared to the last are tested one at a time. Evaluation results are summarized for ozone and PM2.5 based on simulations of January and July 2011.

Learn about CMAQ

Learn about CMAQ's purpose, history and design, as well as the organizations involved in developing and using the model. You can also view a list of publications that have relied on CMAQ for air quality analysis.

Draft Protocol for Systematic Review in TSCA Risk Evaluations

Systematic Review

Equivalency Recommendation Process

Risk Evaluation for Phosphoric Acid, Triphenyl Ester (TPP)

EPA designated triphenyl ester (TPP) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.

Technology Reference Guide for Radioactively Contaminated Media

This Technology Guide is meant to be a summary of information available for technologies demonstrated to be effective for treatment of radioactively contaminated media.

Secondary Drinking Water Standards: Guidance for Nuisance Chemicals

Learn about Secondary Drinking Water Regulations for nuisance chemicals contained in some drinking water. They are established only as guidelines to assist public water systems in managing their drinking water for aesthetic considerations.

Stabilization/Solidification Processes for Mixed Waste

This document discusses waste stabilization and solidification processes in order to consider the appropriateness of several processes for specific low-level mixed waste (LLMW) categories.

Perspective on the use of LNT for Radiation Protection and Risk Assessment by the U.S. Environmental Protection Agency

This paper discusses EPA's views on the controversy surrounding the use of the linear, no-threshold (LNT) model in radiation risk assessment, guidelines, and regulations.

Report to Congress on Special Wastes from Mineral Processing

This report and supporting documents address "large-volume, low hazard" mineral processing waste.

Relative Biological Effectiveness of Low-Energy Electrons and Photons

This letter report addresses the potential application of an energy-dependent RBE for low-LET radiations in the calculation of cancer risk coefficients.

Summary of Rhode Island's Water Reuse Guideline or Regulation for Industry

Rhode Island (State Regulation) | Source water: Treated municipal wastewater | End use: Water reuse for industry

EPA Assessments of Stormwater Programs in the Chesapeake Bay Watershed

This page provides the EPA evaluation documents of Delaware, Maryland, Pennsylvania and Virginia's Stormwater Programs.

New Source Performance Standards (NSPS) Part 60 in Louisiana

National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 63 in Arkansas

National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 61 in Louisiana