Science & Technology
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Reducing Harmful Diesel Emissions
EPA is committed to ongoing research, modeling, and analysis to provide the best and most accurate information available about fuel-saving technologies.
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Capturing Stormwater as Source Water for Reuse Resources
A page describing resources on capturing stormwater for later reuse
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Water Reuse Resource Hub by End-Use Application
A landing page for the water reuse resource hub of key end-uses and associated resources
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Report: Independent Audit of the EPA’s Fiscal Year 2025 Consolidated Financial Statements
Report: Independent Audit of the EPA’s Fiscal Year 2025 Consolidated Financial Statements
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Lead (Pb) Standards - Integrated Science Assessments from Current Review
Scientific and technical Integrated Science Assessments used to develop the current lead national ambient air quality standard.
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Phthalates
EPA is concerned about phthalates because of their toxicity and the evidence of pervasive human and environmental exposure to these chemicals. Phthalates are used in many industrial and consumer products, many of which pose potentially high exposure.
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Draft Risk Evaluation for Dicyclohexyl Phthalate (DCHP)
EPA designated dicyclohexyl phthalate as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Dibutyl Phthalate (1,2-Benzene- dicarboxylic acid, 1,2- dibutyl ester) (DBP)
EPA designated dibutyl phthalate (1,2-Benzene- dicarboxylic acid, 1,2- dibutyl ester) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Butyl Benzyl Phthalate (1,2-Benzene- dicarboxylic acid, 1- butyl 2(phenylmethyl) ester) (BBP)
EPA designated o-dichlorobenzene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Greenhouse Gases at EPA
This page discusses the two types of greenhouse gas emissions that EPA tracks and works to reduce.
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Air Quality Research Milestones
Highlights of EPA's research on air pollution under the Clean Air Act are provided in an historical timeline that describes a selection of important research events and activities to protect air quality and public and environmental health.
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Human Health Risk Assessment Research Milestones
Timeline of milestones.
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What You Can Do
This page provides a list of ways the public can get involved with contributing to a more sustainable community. This supports the mission of the ROE too.
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EPA EcoBox Tools by Stressors - References
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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EPA EcoBox Tools by Receptors - References
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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EPA EcoBox Tools by Effects - References
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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HAWC Resources
The EPA HAWC resources page provides links to HAWK products and publications, and technical support information.
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HAWC Frequent Questions
This page includes frequent questions and answers that users, both new and seasoned, might have for using EPA HAWC .
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ICLUS Data for the Great Plains Region (V.1)
Datasets available from this page cover the Southwest region. All data are compatible with standard Geographic Information Systems (GIS).
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ICLUS Data for the Southwest Region (V.1)
Version 1 Datasets available from this page cover the Southwest region. All data are compatible with standard Geographic Information Systems (GIS).