Science & Technology

Mercury

Basic information about mercury, how it gets in the air, how people are exposed to it and health effects associated with exposure; what EPA and other organizations are doing to limit exposures; and information about products that contain mercury

Hydrography Event Management Tool Factsheet

This factsheet goes over the background, key features, and resources available for the Hydrography Event Management (HEM) Tool.

Participatory Science for Environmental Protection

Participatory Science is a fast-growing field in which the public does science. Participatory Science can expand scientific knowledge, foster collaboration, raise environmental awareness, and facilitate change.

National Air Toxics Assessment

NATA is an ongoing thorough evaluation of air toxics in the U.S. Intended as a screening tool, it helps air agencies learn which pollutants, emission sources and places they may wish to study further to better understand possible public health risks.

Wastewater Technology Fact Sheets

A collection of fact sheets on wastewater technology.

HAB Tools

Information related to The Harmful Algal Bloom and Hypoxia Research and Control Amendments Act (HABHRCA)

Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed in 2010

NO2 Primary Documents from Review Completed in 2010

Nitrogen Dioxide (NO2) Air Quality Standards - Documents from Review Completed in 1996

Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed in 1996

Electronic Reporting of Air Emissions

EPA regulations require affected sources to perform emissions source tests, conduct continuous emissions monitoring, and submit compliance and emissions reports. This site provides technical resources and access for providing such submissions.

Strategies for Reducing Residential Wood Smoke

This document identifies strategies to help state, tribal, and local air officials reduce fine particle pollution (PM2.5) that is attributed to residential wood smoke.

EPA CyanoSymposium 2026 - March 16, 18, 23, and 25, 2026

Information related to EPA CyanoSymposium 2023 - October 16, 18, 23, and 26, 2023.

EPA Outreach on HABs

Information related to the EPA Outreach on HABs

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

Sulfur Dioxide (SO2 Secondary) Air Quality Standards - Documents Prior to Review Completed in 2012

FIFRA Scientific Advisory Panel

Experts on the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel provide independent scientific advice to the EPA on a wide range of health and safety issues related to pesticides.

FIFRA Scientific Advisory Panel Charter

The FIFRA Scientific Advisory Panel Charter was developed in 2006 to establish the Scientific Advisory Panel's mission and specific duties.

Environmental Protection in Indian Country

EPA's efforts to protect human health and the environment of federally recognized Indian tribes by supporting implementation of federal environmental laws consistent with the federal trust responsibility, and the government-to-government relationship.

EPA Center for Corporate Climate Leadership

EPA's Center for Corporate Climate Leadership is a comprehensive resource to help organizations measure & manage GHG emissions. The Center provides technical tools, educational resources, opportunities for information sharing & highlights best practices.