Science & Technology

Support Center for Regulatory Atmospheric Modeling (SCRAM)

This technical site provides access to air quality models (including computer code, input data, and model processors) and other mathematical simulation techniques used in assessing air emissions control strategies and source impacts.

2026 Notice of Funding Opportunity for the Great Lakes Biology Monitoring Program: Phytoplankton and Chlorophyll-a Components

This Notice of Funding Opportunity (NOFO) is expected to result in the award of one cooperative agreement in support of the Great Lakes Biology Monitoring Program (GLBMP).

Underground Storage Tanks

Provides information about preventing and cleaning up releases from underground storage tanks.

EPA Interim Evaluation of 2016-2017 Milestone Progress in the Chesapeake Bay Watershed

This page provides the EPA interim evaluations of the 2016-2017 milestones for the Chesapeake Bay TMDL. These interim assessments provide a mid-point check on the progress made on the 2016-2017 milestones, recognizing the achievements made in 2016.

Technical Data and Reports on Ozone Measurements and SIP Status

EPA collects data from the states and regions on their air quality and state implementation plan (SIP) progress; and uses these to create reports, charts, and maps.

Coal Mine Methane – What EPA is Doing

What EPA is Doing

2015 U.S. Coal Mine Methane Conference

CMOP Event Presentations.

Part 75 Petition Responses

Find responses to petitions submitted by affected units subject to 40 CFR Part 75.

Methane Emissions from the Oil and Gas Sector

EPA’s Voluntary Methane Programs encourage oil and natural gas companies to adopt cost-effective technologies and practices that improve operational efficiency and reduce emissions of methane, a potent greenhouse gas.

2018 Natural Gas STAR and Methane Challenge Renewable Natural Gas Workshop

Event page for the 2nd annual RNG workshop with AGA

National Lakes Assessment - Sediment Contaminants

key findings of the national lakes assessment report 2017

Integrated Science Assessments (ISAs)

Integrated Science Assessments are reports that represent a concise evaluation and synthesis of the most policy-relevant science for reviewing the National Ambient Air Quality Standards for the six principal pollutants.

Region 1 Quality Program Documents

Collection of documents for Region 1 Quality Program.

Radiation Protection

EPA sets limits on environmental radiation from use of radioactive elements. The Radiation Protection website describes EPA's radiation protection activities, regulations and supporting information.

WhAEM2000 BBM Files - Youngstown, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Youngstown Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Wellston, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Wellston Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Toledo, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Toledo Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Springfield, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Springfield Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Senecaville, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Senecaville Lake Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Ripley, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Ripley Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.