Data and Tools
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AP 42, Fifth Edition, Volume I Chapter 1: External Combustion Sources
Chapter 1: External Combustion Sources
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Series 850 - Ecological Effects Test Guidelines
links to series 850 guidelines in docket
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Chemical Fate Half-Lives for Toxics Release Inventory (TRI) Chemicals
provides chemical fate half-lives for Toxic Release Inventory (TRI) chemicals
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Models and Tools Developed by EPA to Assess Hazard under TSCA
Predictive methods for assessing chemical hazards are designed to estimate toxicological concerns for the human population and the ecological environment.
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Ecoregion Download Files by State - Region 9
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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Ecoregion Download Files by Region
Downloadable maps and datasets for Level III and IV ecoregions, listed by region. Ecoregions are areas of general similarity in the type, quality, and quantity of environmental resources.
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Ecoregion Download Files by State - Region 1
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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Ecoregion Download Files by State - Region 7
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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Ecoregion Download Files by State - Region 8
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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Ecoregion Download Files by State - Region 5
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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Ecoregion Download Files by State - Region 3
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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Ecoregion Download Files by State - Region 10
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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Ecoregion Download Files by State - Region 6
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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Ecoregion Download Files by State - Region 4
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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Base Realignment and Closure Sites
This page contains a list of (and links to) Base Realignment and Closure (BRAC) sites, organized by EPA Region.
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Ecoregion Download Files by State - Region 2
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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OncoLogic™ User Guide
OncoLogic™
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OncoLogic™: Interpreting results
Information on interpreting the OncoLogic™ model results.
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OncoLogic™: Frequently Asked Questions
OncoLogic™ Frequently Asked Questions
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Predictive Models and Tools for Screening Chemicals under TSCA: Consumer Exposure Models 1.5
CEM contains a combination of models and default parameters which are used to estimate inhalation, dermal, and oral exposures to consumer products and articles for a wide variety of product and article use categories.