Science & Technology
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NAMs Training: Contact Us
NAMS Training Catalog, providing information about recent and upcoming trainings and workshops.
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User’s Guide for the Chemical Transformation Simulator (CTS)
The CTS User’s Guide is designed to provide first-time users a complete understanding of how to utilize the CTS tool.
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Indoor Semi-volatile Organic Compounds (i-SVOC) Version 1.0
i-SVOC Version 1.0 is a general-purpose software application for dynamic modeling of the emission, transport, sorption, and distribution of semi-volatile organic compounds (SVOCs) in indoor environments.
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What is the National Wetland Condition Assessment?
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of our Nation’s wetlands.
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Reports and Data - National Rivers and Streams Assessment 2013-2014
Products from the national rivers and streams assessment 2013-2014 including report, technical report, factsheet, data files, and data dashboard
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Ambient Water Quality Tools
Tools that track water quality data and their impacts to the environment and human health.
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National Lakes Assessment 2007 Results
The National Lakes Assessment samples over 1,000 lakes, ponds and reservoirs across the country. Key findings from this assessment in 2007 include the biological condition and most widespread stressors of these waterbodies.
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Indicators: Dissolved Oxygen
Dissolved oxygen (DO) is the amount of oxygen that is present in water. It is an important measure of water quality as it indicates a water body's ability to support aquatic life. Water bodies receive oxygen from the atmosphere and from aquatic plants.
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Indicators: Acidification
Acidification is a broad term that refers to the process by which aquatic ecosystems become more acidic. Acid rain and acid mine drainage are major sources of acidifying compounds, lowering the pH below the range where most living organisms function.
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Water Quality Framework
A framework for streamlining water quality assessment and reporting by integrating existing systems.
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National Rivers and Streams Assessment
The NRSA is a collaborative, statistical survey of the nation's rivers and streams. 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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Fish Images to Use with Fish Advisories
The U.S. Environmental Protection Agency developed a set of images to convey fish parts that should not be eaten to reduce possible exposure to chemicals among fish-eating populations.
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Summary of United States Mercury Emissions for Annex D Source Categories - year 2002-2022
This file contains the Summary of United States Mercury Emissions for Annex D Source Categories for the year 2018 as part of reporting under Article 8 of the Minamata Convention on Mercury.
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Geospatial Resources at EPA
EPA's National Geospatial Program coordinates the Agency's geospatial data, applications, policies and programs. This website provides an overview of EPA’s geospatial resources
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Washington County Lead District - Furnace Creek Superfund Site, Washington County, Missouri - Fact Sheet, June 2016
EPA Conducting Remedial Investigation and Feasibility Study, Operable Units 1, 2, 3 and 4
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Webinar: Innovative and Emerging Landfill Gas Energy Project Types
LMOP webinar on September 14, 2021 about the use of landfill gas for producing hydrogen, methanol and ethanol.
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Exposure Assessment Tutorials
This page contains the exposure assessment training modules made publicly available from the EPA RATE program. RATE is used to train EPA staff on performing an EPA Risk Assessment.
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Videos: EPA Research Collaborations with State Partners
This webpage contains YouTube videos highlighting EPA ORD Collaborations with State Partners.
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PFAS Resources for States
There are a variety of resources available to states dealing with per- and polyfluoroalkyl substances (PFAS) including a bimonthly ECOS-EPA PFAS call, PFAS data and tools developed by EPA, EPA PFAS research timelines, and PFAS risk communication webpages.
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Memoranda about Implementation of the Cancer Guidelines and Accompanying Supplemental Guidance - Science Policy Council Cancer Guidelines Implementation Workgroup Communication I and II
Memoranda from the Chair of EPA's Science Policy Council to the Science Policy Council and the Science Policy Council Steering Committee regarding Implementation of the Cancer Guidelines and Accompanying Supplemental Guidance.