Science & Technology
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Pesticide Program Dialogue Committee Meeting May 18-19, 2016
View meeting materials and the transcript of the May 2016 PPDC meeting.
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Endocrine Disruptor Screening Program Tier 1 Battery of Assays
Notice announcing the EDSP Tier 1 battery of assays and availability of test guidelines (protocols) for conducting the assays included in the battery.
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National Results and Regional Highlights - National Lakes Assessment 2012
NLA 2012 Report and Regional Highlights
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Western Mountains Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Western Mountains ecoregion
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Xeric Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Xeric ecoregion
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Temperate Plains Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Temperate Plains ecoregion
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Southern Plains Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Southern Plains ecoregion
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Southern Appalachians Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Southern Appalachians ecoregion
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Northern Plains Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Northern Plains ecoregion
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Northern Appalachians Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Northern Appalachians ecoregion
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Coastal Plains Ecoregion - National Lakes Assessment Results
NLA 2012 Results for the Coastal Plains ecoregion
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Ecoregional Results - National Lakes Assessment 2022
Results for the National Lakes Assessment 2012, including key findings, national results, ecoregional results, and state highlights.
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Reports and Data - National Lakes Assessment 2022
Products from the national lakes assessment 2017 including report, technical report, factsheet, data files, and data dashboard
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What is the 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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Data Download
Download EnviroAtlas National and Community datasets.
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WATERS GeoViewer Tutorial
The content and purpose of each mapping service WATERS exposes.
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2019 AirToxScreen: Assessment Results
Downloadable results files related to the 2019 AirToxScreen assessment.
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2018 AirToxScreen: Assessment Results
Downloadable data files related to the 2018 AirToxScreen
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2017 AirToxScreen: Assessment Results
Downloadable data files related to the 2017 AirToxScreen
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KABAM Version 1.0 User's Guide and Technical Documentation - Appendix F -Description of Equations Used to Calculate the BCF, BAF, BMF, and BSAF Values
Describes equations for bioconcentration, bioaccumulation, biomagnification and biota-sediment accumulation factors used in KABAM V1.0. KABAM is a simulation model used to predict pesticide concentrations in aquatic regions for use in exposure assessments.