Science & Technology

Six-Year Review 3 of Drinking Water Standards

Read the summary of EPA's Six-Year Review 2 of existing drinking water standards and learn about the four regulatory revision candidates

Preliminary Release of Microbial and Disinfection Byproduct Data Files (2012-2019) from EPA’s Fourth Six-Year Review Information Collection Request

This page contains the Six-Year Review 4 Microbial and Disinfection Byproduct data files.

Six-Year Review 4 Frequent Questions and Answers

These are frequently asked questions and their answers related to the Six-Year Review 4.

Illinois Sinkhole Locations

Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.

Texas ayenia photos

Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.

Texas plants habitat photos

Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.

Alabama Sinkhole Locations

Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.

Children's Health Research regarding Pre-term Birth, Low Birth Weight, Birth Defects and Infant Mortality

EPA is conducting research on the effects of environmental contaminants in utero on adverse birth outcomes such as preterm birth, low birth rate, death and birth defects.

Superfund Site Cleanup Work through Enforcement Agreements and Orders

Map depicting current and ongoing cleanup work at Superfund sites across the country based on enforcement instruments with potentially responsible parties

EPA Appoints New Members to the Science Advisory Committee on Chemicals

EPA announces it has appointed 9 new members and a new chair to the Science Advisory Committee on Chemicals in 2023.

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.

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.

Consolidated Human Activity Database (CHAD) for use in human exposure and health studies and predictive models

EPA scientists have compiled detailed data on human behavior from 22 separate exposure and time-use studies into CHAD. The database includes more than 54,000 individual study days of detailed human behavior.

Approximating Terms of Trade Effects in Single Country CGE Models

This is a working paper titled "Approximating Terms of Trade Effects in Single Country CGE Models"

NAMs Training Tool Tips

Page housing links to training Tool Tips videos.

Occupational Affiliation and the Incidence of Environmental Regulation

This is a working paper titled "Occupational Affiliation and the Incidence of Environmental Regulation"

Fluxapyroxad Request for Exclusive Use Extension and Response

Petition(s) and Response(s) for Fluxapyroxad

Rescheduled: EPA and HUD Holding Virtual Workshop on Revisiting Definition of Lead-Based Paint

Buoyant Force Calculations

Find out how buoyant force calculations are used to determine if a secondary containment unit complies with the pesticide containment regulations.

Presentations at 2013 Pollinator Summit --Seed Treatment Application

Presentations on value of seed treatment, preparation of seeds for treatment, and application processes that minimize dust with the goal of reducing honey bees' risk of exposure to pesticides, particularly neonicotinoid insecticides.