Science & Technology
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Freshwater Explorer Webinar Archive
Webinar archive page for the Tools and Resources webinar on the Freshwater Explorer tool
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EPA PFAS Strategic Roadmap: Research Tools and Resources Webinar Archive
This EPA Tools & Resources Webinar provides a brief overview of EPA’s PFAS Strategic Roadmap and efforts to address key PFAS research needs for environmental decision-making and highlights EPA’s PFAS Thermal Treatment Database and Systematic Evidence Maps
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National Lakes Assessment 2022 Results
Results for the National Lakes Assessment 2017, including key findings, national results, and ecoregional results,
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National Rivers & Streams Assessment 2018-19 Lab Operations Manual
The Lab Operations Manual for the NRSA 2018-19
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National Rivers & Streams Assessment 2018-19 Site Evaluation Guidelines
The Site Evaluation Guidelines for the NRSA 2018-19
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National Lakes Assessment 2012 Fact Sheet
National Lakes Assessment 2012 Fact Sheet
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National Coastal Condition Assessment 2010 Fact Sheet
PDF of the NCCA 2010 fact sheet
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National Lakes Assessment 2007 Final Data Notes
This document contains notes regarding the NLA 2007 data.
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National Rivers and Streams Assessment 2013-2014 Report
National Rivers and Streams Assessment 2013-14 Report
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National Lakes Assessment 2022 Manuals
National Coastal Condition Assessment 2020 Manuals including field, lab etc.
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Great Lakes Fish Monitoring and Surveillance Program Peer-Reviewed Publications
A select list of Great Lakes Fish Monitoring and Surveillance Program (GLFMSP) Peer-Reviewed Publications.
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Great Lakes Open Lakes Trend Monitoring Program: Dichlorodiphenyltrichloroethane (DDT)
Data from the Open Lakes Trend Monitoring Program on DDT trends in Great Lakes fish.
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Enbridge Line 5 Screw Anchors
Enbridge's Line 5 biota investigation workplan and approval
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Electronic Reporting of Air Emissions
EPA regulations require affected sources to perform emissions source tests, conduct continuous emissions monitoring, and submit compliance and emissions reports. This site provides technical resources and access for providing such submissions.
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PCB Congeners by Low-Resolution GC-MS - Method 1628 (Not yet approved)
Clean Water Act Method 1628 measures polychlorinated biphenyls (PCBs) in wastewater (draft, July 2021)
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CWA Analytical Methods: Contaminants of Emerging Concern
Test methods for pharmaceuticals and personal care products in wastewater and other contaminants of emerging concern
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Regulation of Biotechnology under TSCA and FIFRA
This site explains how EPA regulates biotechnology under the Toxic Substances Control act and the Federal Insecticide, Fungicide, and Rodenticide Act and how biotechnology can be used.
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Urban Waters - The Mystic River Watershed
Information on the efforts of the US EPA, the Commonwealth of Massachusetts, the municipalities within the Mystic River Watershed and nongovernmental organizations to improve the water quality of the Mystic River.
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Regulatory Determination 1 for Contaminants on the First Drinking Water Contaminant Candidate List
Learn about EPA's Regulatory Determination 1 for drinking water contaminants
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CMAQ Resources/Utilities for Model Users
Utilize the CMAS Center's help desk and training courses. Browse software programs for preparing CMAQ inputs as well as evaluating and visualizing CMAQ outputs.