Science & Technology

Water Quality Standards Regulations: Pueblo of Pojoaque

Information related to Water Quality Standards for Pueblo of Pojoaque.

Water Quality Standards Regulations: Pueblo of Taos

Information related to Water Quality Standards for Pueblo of Taos.

Water Quality Standards Regulations: Northern Cheyenne Tribe of the Northern Cheyenne Reservation

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

Water Quality Standards Regulations: Ohkay Owingeh Pueblo (formerly the Pueblo of San Juan)

Information related to Water Quality Standards for Ohkay Owingeh Pueblo (Formerly the Pueblo of San Juan).

Pesticides

This website provides easy access to all the pesticide-related information that is contained in various pesticide topical sites. It also includes news and meeting information, an A-Z index, and more.

EMC Test Methods

This page introduces the four different categories of air emissions test methods.

Program Contacts for San Antonio River Basin Bexar County (Texas)

This page contains contact information for people who lead the San Antonio Watershed Urban waters partnership

Urban Waters Small Grants Request for Proposals (RFP) (EPA-OW-IO-13-01)

2013/2014 EPA Urban Waters Small Grants Request for Proposals Questions and Answers

UWSG Mapping Application Instructions

Instructions to locate your project area and create the required project area map

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

Transportation, Air Pollution and Climate Change

Learn how emissions reductions, advancements in fuels and fuel economy, and working with industry to find solutions to air pollution problems benefit human and environmental health, create consumer savings and are cost effective.

Mobile Source Pollution and Related Health Effects

This site provides information on the health effects of air toxics from vehicles to both groups and individuals looking to further their subject knowledge, learn about EPA’s role in reducing air toxics, and find out how individuals can play a role.

Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2019

This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2019.

Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2018

This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2018.

Fuel Economy and EV Range Testing

EPA's National Vehicle and Fuel Emissions Laboratory (NVFEL) tests new cars and trucks sold in the U.S. to ensure that they comply with federal emissions and fuel economy standards.

Water Quality Standards Regulations: White Mountain Apache Tribe

Information related to Water Quality Standards for White Mountain Apache Tribe.

EPA Pacific Southwest PFAS Tribal Drinking Water Sampling Project

The PFAS Tribal Drinking Water Sampling Project is a voluntary sampling effort that is offered to all public water systems (PWS) on tribal lands in EPA’s Pacific Southwest Region (Region 9).

Per- and Polyfluoroalkyl Substances (PFAS) in Sewage Sludge

Per- and Polyfluoroalkyl Substances (PFAS) in Biosolids

Draft Guidance for Reducing Risk from Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS) in Biosolids

Draft Guidance for Reducing Risk from PFOA and PFOS in Biosolids