Science & Technology

WhAEM2000 BBM Files - Sioux Falls, South Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Sioux Falls Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.

Meteorological Data

30 year meteorological data files taken at 237 weather stations located throughout the United States for a period extending from 1961 to 1990.

AQUATOX Release 3.2 Fact Sheet

AQUATOX Release 3.2 was designed to extend the existing AQUATOX estuarine version to include improved capabilities for situations encountered in the nearshore marine environment. Several changes were required to model food webs in the marine environment.

AQUATOX 3.1 Fact Sheet

AQUATOX Release 3.1 includes numerous enhancements designed to improve model performance, more closely match data requirements with generally available data, improve data manipulation and analysis, and increase user friendliness.

Tools and Resources

There is a wide variety of EPA-produced tools and external resources available to address air quality in your country.

Assessment and Implementation

Assessing current air quality, deploying air pollution control technologies, and engaging with the public are all critical elements of air quality management plan implementation.

Megacities Partnership

Considerations in designing an effective control strategy related to air quality, controlling pollution sources, need for regional or national controls, steps to developing a control strategy, and additional EPA resources.

Overview of Air Quality Management

Overview of what EPA is doing in regards to air quality management.

Managing Air Quality - Emissions Inventories

This page describes the role of emission inventories in the air quality management process, a description of how emission inventories are developed, and where U.S. emission inventory information can be found.

Managing Air Quality - Air Pollutant Types

Describes the types of air pollutants, including common or criteria pollutants, and hazardous air pollutants and links to additional information. Also links to resources on other air pollution issues.

EPA Concludes Drinking Water Has Been Free of Fuel Contamination Since 2022, in Wake of Red Hill Release

Following rigorous assessment of public water systems impacted by 2021 Red Hill fuel release, EPA issues final drinking water report

U.S. EPA is releasing its final drinking water report on the Joint Base Pearl Harbor-Hickam (JBPHH) and Aliamanu Military Reservation (AMR) public water systems, which were impacted by the 2021 fuel release from the Red Hill Bulk Fuel Storage Facility.

Release Date: March 31, 2026

Unacceptable and Acceptable Substitutes Tables

Landing page for substitute tables.

Federal Agencies Expand Urban Waterway Revitalization Efforts in Communities Across the Nation

May 10, 2013 Urban Waters Press Release titled "Federal Agencies Expand Urban Waterway Revitalization Efforts in Communities Across the Nation."

EPA SBIR Small Business Receives 2020 Tibbetts Award

This piece highlights EPA SBIR Phase II small business ASAT Inc. and discusses their 2020 Tibbetts Award

Green Chemistry Challenge: 2019 Greener Synthetic Pathways Award

Green Chemistry Challenge 2019 award winners, Merck, is being recognized for redesigned the manufacturing route to ceftolozane sulfate, the antibiotic component of Zerbaxa

Green Chemistry Challenge: 2022 Greener Synthetic Pathways Award

Green Chemistry Challenge 2022 award winners

TSCA Section 21 Petition Requesting EPA to Establish Regulations Prohibiting the Use and Distribution in Commerce of Hevea Brasiliensis Baled Natural-Rubber for the Manufacture of Tires

This petition requests EPA to “establish regulations prohibiting the use and distribution in commerce of Hevea brasiliensis baled natural-rubber for the manufacture of tires.