Science & Technology

Federal Facilities/Base Closure in Arkansas

This page contains information about Base Closure cleanups on Federal Facilities in Arkansas

Caterpillar Technology—Marine Engine Emissions Upgrade Group Kit #4 (EUI to Tier 1)

This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.

What Key Concepts Are Behind the Organon?

Using Geospatial Indicators of Watershed Condition to Support Freshwater Conservation Actions

This webcast presents the latest news about the hundreds of local catchment and watershed-based metrics that help depict watershed conditions in the nation’s streams and lakes available from the StreamCat and LakeCat datasets.

National Nonpoint Source Pollution Control Program - Basic Training

AgSTAR Library of Tools and Resources

Provides a list of resources related to biogas recovery in the agriculture sector

DCAL Software and Resources

DCAL is a comprehensive software system for the calculation of tissue dose and subsequent health risk from intakes of radionuclides or exposure to radionuclides present in environmental media.

Meet EPA Hydrologist Jon Fields

EPA hydrologist Jon Fields studies groundwater quality, quantity, and flow. His current research includes expanded use of geophysics for characterizing an Enhanced Aquifer Recharge (EAR) site, application of electrical resistivity imaging (ERI) to a variet

Publication Feeds Offered by the National Service Center for Environmental Publications

RSS feeds based on EPA areas of interest.

How to Search for Publications Using Metadata Fields Search

Top level description of the NSCEP Field Search Tool

Total Risk Integrated Methodology (TRIM) - Peer Review and Publications

Peer review: Consistent with Agency peer review policy, and the 1994 Agency Task Force on Environmental Regulatory Modeling, internal and external peer review has been an integral part of the TRIM development plan.

Preventative Measures for Cyanobacterial HABs in Surface Water

Information of common measures to prevent HABs in surface waters.

State and Association Websites with Air Test Method and Monitoring Information

Government and association websites that include methods and testing information.

LakeCat Dataset - ReadMe

The LakeCat Dataset is an extensive collection of landscape metrics for about 378 thousand lakes and associated catchments within the conterminous U.S.

Contaminant Candidate List 2 - CCL 2

Learn about EPA's second Contaminant Candidate List (CCL 2)

Contaminant Candidate List 1 - CCL 1

Learn about EPA's first Contaminant Candidate List (CCL 1)

Slides Presented at the June 16th Public Meeting on Preliminary Regulatory Determinations for the CCL3

Learn about information presented at a stakeholder meeting on Regulatory Determination 3

Slides Presented at the December 9th Public Meeting on Preliminary Regulatory Determinations for the CCL3