Science & Technology
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National Lakes Assessment
The National Lakes Assessment is a collaborative, statistical survey of the nation's lakes. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.
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Virtual Beach: A Modeling Tool to Help Make Beach Closure Decisions
Beach managers need fast ways to determine when pollution makes beaches unsafe for swimming and need to be closed.
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Estimating Radiogenic Cancer Risks
This document presents a revised methodology for EPA's estimation of cancer risks due to low-LET radiation exposures developed in light of information that has become available, especially new information on the Japanese atomic bomb survivors.
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EPA announces a total of $337 million to North Carolina for water infrastructure resiliency and repair of environmental damage from Hurricane Helene
EPA announces a total of $337 million to North Carolina for water infrastructure resiliency and repair of environmental damage from Hurricane Helene
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Characterizing PM2.5-related Benefits at Low Concentrations: Project Documents & Meeting Materials
Materials support PM uncertainty project peer review
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Real Time Geospatial (RETIGO) Tutorials
Real Time Geospatial Data Viewer Allows users to view their mobile monitored air quality data
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ECM for Nitrapyrin & Degradate 6-CPA in Water - MRID 52085702
Environmental Chemistry Methods for Nitrapyrin & Degradate 6-CPA in Water - MRID 52085702.
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FITARA Implementation Plan and Chief Information Officer Assignment Plan
EPA's FITARA Implementation Plan and CIO Assignment Plan.
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Draft API Strategy
Overview of EPA's Draft API Strategy
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Analysis of the Cross-State Air Pollution Rule Update
IPM analyses of the proposed Cross-State Air Pollution Update Rule.
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.5
Technical appendices for the Risk-Screening Environmental Indicators screening tool version 2.3.5
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Stormwater Decontamination, Containment, and Diversion Technologies
EPA is involved in stormwater lab, field, and modeling studies that test decontamination technologies and software tools . This website was created to provide several examples of the types of stormwater scenarios EPA homeland security researchers use.
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Meet the Women Behind EPA's COVID-19 Research
U.S. EPA's Office of Research and Development hosted an interactive panel discussion with six female scientists working on COVID-19 research.
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Wildfire Impacts on Water Infrastructure
EPA's ORD offers free public webinars on recent research results. Watch a pre-recorded webinar on EPA's emergency response efforts to the Maui wildfires and ongoing research to further understand contamination of water infrastructure.
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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