Data and Tools
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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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Renewable Fuel Annual Standards
EISA requires EPA to set the RFS volume requirements annually. Standards are set through a notice-and-comment rulemaking process with opportunity for public comment and stakeholder engagement.
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Submit SAS Project
Submit SAS Project
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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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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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Renewable Energy Equipment Model Contract Language
Model federal contract language for procurement of Renewable Energy Equipment.
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Office/Furniture Model Contract Language
Model federal contract language for procurement of Office Supplies or Furniture.
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Machine Shop Operations Model Contract Language
Model federal contract language for procurement of Machine Shop Operations.
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Healthcare Model Contract Language
Model contract language federal purchasers can use for healthcare.
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Clothing & Uniforms Model Contract Language
Model federal contract language for procurement of clothing & uniforms.
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Model Contract Language for Federal Sustainable Purchasing
Model contract language federal purchasers can use for sustainable federal procurement.
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ExpoKids: Background
ExpoKids allows for visualization of aggregate exposure estimates, produced by ExpoFIRST, across lifestages.
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How's My Waterway Widget Instructions
How's My Waterway Widget Instructions
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Clean Water Indian Set-Aside Emerging Contaminant Program
Information to assist federally recognized Tribes within EPA's Pacific Southwest (California, Nevada, Arizona) improve wastewater infrastructure to address emerging contaminants (ECs).
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Drinking Water Emerging Contaminant Programs
Assistance for federally recognized Tribes within EPA's Pacific Southwest Region (Region 9) to address emerging contaminants in drinking water.
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.9
Document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.9, December 2020.
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Frequently Asked Questions: Laboratory Analysis for Microcystins in Drinking Water
Microcystin method-/laboratory-related FAQs.