Science & Technology
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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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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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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.
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Ozone Designation and Classification Information
Ozone Designation and Classification Information
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Curated Topical Reuse Resources
Curated list of topics resources related stormwater.
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Reusing Water for Potable Applications Resources
A page describing reusing water for potable applications
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Water Reuse/Advanced Water Treatment Training Resources
Output from WRAP Action 9.2 – Support and Promote Opportunities for Creating a Skilled Workforce for Water Reuse Applications
Water Reuse/Advanced Water Treatment Training Resources -
Biodiesel Emissions Analysis Program
Using existing data, the EPA's biodiesel emissions analysis program sought to quantify the air pollution emission effects of biodiesel for diesel engines that have not been specifically modified to operate on biodiesel.
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Ultra-Low Sulfur Gasoline Emissions Study
Understanding the effects of gasoline sulfur level on the in-use fleet is important for assessing emissions inventories and impacts of future policy decisions. Test fuels were two non-ethanol gasolines with properties typical of certification fuel.
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Reports on Cars used for Testing Fuel Economy
This website provides links to EPA's detailed vehicle test data associated with fuel economy program.