Science & Technology
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RadNet Laboratory Data by State
RadNet data from individual near-real-time air monitors is available on a clickable map and is also listed by state and city. Sampling locations with drinking water, precipitation and air filter analysis results in 2016 are also listed.
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RadNet near-real-time air data
RadNet air monitoring results are now available on the RadNet Dashboard
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RadNet CSV File Downloads
Download CSV files for all RadNet near-real-time air monitoring locations.
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E15 Compatibility with UST Systems Statement
Review EPA's statement about the growth of fuel containing E15 and the compatibility of E15 with underground storage tank (UST) systems.
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Stationary Source Program Methods Format
Descriptions and formats for creating a method for the Office of Air Quality Planning and Standards Stationary Source Program.
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2016 Version 2 Technical Support Document
This TSD describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the years of 2016, 2023 and 2028.
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Air Sensor Toolbox
The toolbox provides information on tthe performance, evaluation and use of air sensor technology to improve accuracy and data interpretation that can benefit citizen scientists, researchers, and developers.
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Greenhouse Gas Emissions Model (GEM) for Medium- and Heavy-Duty Vehicle Compliance
EPA’s Greenhouse Gas Emissions Model (GEM) is a free, desktop computer application that estimates the greenhouse gas (GHG) emissions and fuel efficiency performance of specific aspects of heavy-duty vehicles.
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Pending Petitions for Renewable Fuel Pathways
This page provides guidance on how a company may petition EPA for a new renewable fuel pathway.
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StreamCat Metrics REST API
StreamCat Metrics REST API, documentation for the API that allows the return metrics from StreamCat data tables
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National Rivers and Streams Assessment 2018-19 Technical Support Document
PDF of the National Coastal Condition Assessment 2015 Technical Support Document.
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Ecoregional Results - National Wetland Condition Assessment 2021
Results for the National Lakes Assessment 2012, including key findings, national results, ecoregional results, and state highlights.
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Online Resources for CAMEO Users
A list of online resources for CAMEO users
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Sanitary Surveys for Recreational Waters
A sanitary survey is a tool that allows users to investigate the sources of pollution and conditions in a recreational water body. The EPA developed a free application to help waterbody managers conduct sanitary surveys and store their data.
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StreamCat Metrics and Definitions
The Stream-Catchment (StreamCat) dataset is an extensive collection of landscape metrics for 2.6 million streams and associated catchments within the conterminous U.S.
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Level III and IV Ecoregions by State
Information and links to downloadable maps and datasets for Level III and IV ecoregions, listed by state. Ecoregions are areas of general similarity in the type, quality, and quantity of environmental resources.
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Lead
Learn about the health effects of lead, who is at risk, how to test for lead in paint or other areas of your home, how to find or become a lead-safe certified firm, and more about the Lead Renovation Repair and Painting (RRP) rule.
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What is the National Rivers and Streams Assessment?
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our Nation’s rivers and streams.
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Emissions Trading
Learn about emissions trading programs, also known as cap and trade programs, which are market-based policy tools for protecting human health and the environment by controlling emissions from a group of sources.
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Air, Climate, & Energy Research Webinar Series
This page provides information on a Webinar Series for Air, Climate, and Energy Research Topics that include information on monitoring, measurement, modeling, health effects and environmental effects of air pollutants.