Science & Technology
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EPA's Decon Conference
EPA's Decon Conference, a free international conference on decontamination research and development, focuses strongly on matters involving CBR threat agents but also includes all hazard elements.
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Risk-Screening Environmental Indicators (RSEI) Data Dictionary V2.3.5
document describing all of the data tables and fields used in the RSEI model and results datasets
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Documentation for Risk-Screening Environmental Indicators (RSEI) Geographic Microdata (RSEI-GM) V2.3.5
information on the RSEI Geographic Microdata, which are a unique dataset that provides detailed air model results from the RSEI model at a level of 810 meter square grid cells
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.6
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.6, January 2018
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.6
Technical appendices for the Risk-Screening Environmental Indicators screening tool version 2.3.6
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Risk-Screening Environmental Indicators (RSEI) Data Dictionary Version 2.3.6
document describing all of the data tables and fields used in the RSEI model and results datasets
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Hydraulic Fracturing Study Research Approaches
This page show the five main types of research approaches, which each serve as a tool for determining the conditions under which HF can impact drinking water resources.
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CCL 4 Technical Support Documents
Learn about EPA's technical support documents for Contaminant Candidate List 4 (CCL 4).
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KABAM Version 1.0 User's Guide and Technical Documentation - Appendix B - Explanation of Defaults and Alternative Values Representing Abiotic Characteristics of Aquatic Ecosystem
Discussion of values used in KABAM for particulate organic carbon, dissolved organic carbon, dissolved oxygen, suspended solids, water temperature, and % organic carbon content of the sediment.
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RACT/BACT/LAER Clearinghouse (RBLC) Products
RBLC Products include User's Manuals, Annual Reports, Data Input Form and the RBLC Standalone Editor (Software for off-line data entry).
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BAS601
Basin (BAS601) CASTNET site location,
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How to Register for Engines and Vehicles Compliance Information System (EV-CIS)
Registration instructions and account setup for regulated parties of vehicles and engines used for transportation.
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Account Setup for Engines and Vehicles Compliance Information System (EV-CIS)
Steps for setting up a user account and roles for EV-CIS, formerly the Verify system.
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Wildfire Advancing Science Partnerships for Indoor Reductions of Smoke Exposures (ASPIRE) Study Webinar Archive
This EPA Tools & Resources webinar showcased the Wildfire Advancing Science Partnerships for Indoor Reductions of Smoke Exposures (ASPIRE) Study.
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Wildfire Smoke Air Monitoring Response Technology and AirNow Fire and Smoke Map Training Webinar Archive
This webinar, recorded on June 5, 2025, showcased the Wildfire Smoke Air Monitoring Response Technology (WSMART) and AirNow Fire and Smoke Map.
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EPA's Flood Cleanup Resources: Promoting Community Resilience through Risk Communication Webinar Archive
This webinar, recorded on June 18, 2025, showcased EPA's Flood Cleanup Resources: Promoting Community Resilience through Risk Communication. The webinar reviews the strategies used to develop the Flooded Homes Cleanup Guidance website.
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Documenting Ground-Water Modeling at Sites Contaminated with Radioactive Substances
This report is the product of the Interagency Environmental Pathway Modeling Working Group. This report demonstrates how to document model applications in a consistent manner and is intended to assist technical staff.
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CMAQ Involvement in Air Quality Model Evaluation International Initiative
Description of Air Quality Model Evaluation International Initiative (AQMEII). Different chemical transport models are applied by different groups over North America and Europe and evaluated against observations.
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Research on Per- and Polyfluoroalkyl Substances (PFAS)
Per- and polyfluoroalkyl substances (PFAS) are a class of chemicals that have been used in industry and consumer products for decades, and they continue to be used today.
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Case Studies on Safer Alternatives for Solvent Degreasing Applications
This paper summarizes a number of case studies that highlight the P2 approach of switching to aqueous and less toxic metal cleaners to reduce health risks and manufacturing costs.