Science & Technology

Human Health Risk Assessment Strategic Research Action Plan 2016-2019

EPA has designed the HHRA program to develop and apply state-of-the-science risk assessment methods to estimate risks from exposures to individual chemicals, chemical mixtures, and mixtures of chemical of chemicals and non-chemical stressors.

Workshops to Obtain Input on Preliminary Draft Materials for the Oxides of Nitrogen Integrated Science Assessment

EPA announced a series of public workshops to evaluate preliminary draft materials that will inform the development of the Integrated Science Assessment for oxides of nitrogen.

Research Grant Areas

Overview of EPA's research grant research areas

California Clean Air Technology Initiative (CATI) Projects

EPA Pacific Southwest has provided funding to both South Coast AQMD and San Joaquin Valley APCD to help spur early-stage, innovative technologies that need further testing and demonstration prior to deployment and commercialization.

Water Quality Criteria

EPA develops water quality criteria based on the latest scientific knowledge to protect human health and aquatic life. This information serves as guidance to states and tribes in adopting water quality standards.

Freedom to Fix

In response to a Presidential Directive, EPA has issued guidance reaffirming that the Clean Air Act supports Americans’ Right to Repair their own vehicles and equipment.

Certification and Compliance for Onroad Vehicles and Engines

Certification and compliance information for passenger cars and trucks (light-duty), commercial trucks and buses (heavy-duty), motorcycles (light-duty).

Environmental Sampling and Analytical Methods (ESAM) Program

The EPA Environmental Sampling and Analytical Methods (ESAM) is a comprehensive program to facilitate a coordinated response to a chemical, radiochemical, biotoxin or pathogen intentional or unintentional contamination incident.

Members of the Science Advisory Committee on Chemicals

See information on the 2026 SACC Members.

Water Quality Standards Regulations: Squaxin Island Tribe

Information related to Water Quality Standards for the Chemehuevi Tribe of the Chemehuevi Reservation.

Water Quality Standards Regulations: Red Lake Band of Chippewa

Information about water quality standards for the Red Lake Band of Chippewa.

Water Quality Standards Regulations: Pueblo of Acoma

Information on Pueblo of Acoma Water Quality Standards.

Water Quality Standards Regulations: Walker River Paiute Tribe

Water Quality Standards Regulations: Seneca Nation of Indians

Information about water quality standards for the Seneca Nation of Indians.

From the Desk of the Regional Administrator - "EPA Leadership and State Agriculture Departments Meet at EPA’s Heartland Office"

EPA Region 7’s “From the Desk of the Regional Administrator” newsletter gives residents of Iowa, Kansas, Missouri, and Nebraska a chance to hear from Regional Administrator Jim Macy on EPA’s work in their communities.