Science & Technology

Granite Countertops and Radiation

This overview page provides information about granite countertops and radiation. To reduce your risk of lung cancer, you should test the air in your home for radon.

Free Chlorine Distribution System Influent Hold Study Protocol

Disinfection by-product optimization process and priority setting tool for drinking water systems.

TSCA Requirements for Exporting Chemicals

Describes TSCA import and export requirements under various Sections of TSCA and the CFR.

Outreach and Events

Provides details about the Methane Challege and Natural Gas STAR events.

Best Practices for Mitigating Potential Harm and Community Benefits of Reclamation and Destruction of HFCs

There are many ways that potential harms may be reduced or avoided.

Best Practices and Considerations for HFC Reclamation and Destruction

Hydrofluorocarbons (HFCs) are potent greenhouse gases (GHGs) developed and manufactured as replacements for ozone-depleting substances (ODS).

Facility Linkage Application (FLA) 101

Training/user guides and guidance material for FRS data stewards who use the Facility Linkage Application

Risk Management for Per- and Polyfluoroalkyl Substances (PFAS) under TSCA

Overview of the PFOA program.

EPA QA/R-5, EPA Requirements for Quality Assurance Project Plans

Outlines requirements for QA plans for organizations that conduct environmental data operations for EPA through contracts, financial assistance agreements, and interagency agreements.

Resources

A list of resources to aid user in learning more about the Quality Program.

EPA Hosts 13th Annual Summer Science Institute for North Carolina High School Students

This summer, EPA’s Community Engagement & STEM Education Program (CE-STEM) hosted its 13th annual Summer Science Institute (SSI) at the EPA Research Triangle Park campus in Durham, N.C.

Conformity Adequacy Review: Region 3

Resources are for air quality and transportation government and community leaders. Information on the adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 3 (DE, DC, MD, PA, VA, WV) is provided here.

Water Quality Data

The Water Quality Portal Data Warehouse is a repository for water quality, biological, and physical data and is used by state environmental agencies, EPA and other federal agencies, universities, private citizens, and many others.

TRIM.FaTE Public Reference Library Documentation

TRIM.FaTE is a spatially explicit, compartmental mass balance model that describes the movement and transformation of pollutants over time, through a user-defined, bounded system that includes both biotic and abiotic compartments.

Download Trim.Fate