Science & Technology
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Nitrous Oxide Emissions
Information on emissions and removals of the main greenhouse gases to and from the atmosphere.
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Assumptions and References for Household Carbon Footprint Calculator
Assumptions and References for Household Carbon Footprint Calculator
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Data Resources for State, Local, and Tribal Governments
Access data resources for state, local, and tribal governments to improve energy planning.
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Lead and Copper Rule Long-Term Revisions
The goal for the Lead and Copper Rule (LCR) Long-Term Revisions is to improve public health protection provided by the by making substantive changes based on topics that were identified in the 2004 National Review.
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TENORM Resources
Studies of existing TENORM sites provide information needed to select appropriate methods for estimating risks from these sites, the best ways to clean up the sites, and the most economical and environmentally friendly ways to dispose of the TENORM.
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Federal Register Notices for National Drinking Water Advisory Council (NDWAC) Lead and Copper Rule Working Group (LCRWG) Meetings
The NDWAC Lead and Copper Rule Working Group was formed to provide advice to EPA in considering Long-Term Revisions to the Lead and Copper Rule. This page contains the notices announcing the group meetings.
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2008 Ozone National Ambient Air Quality Standards (NAAQS)
This page provides access to all transportation conformity regulations, including final rules and rulemakings currently in progress.
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CCL 3 Support Documents - Screening and PCCL Documents
Learn about the support documents for CCL 3 screening and PCCL
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CCL 3 Support Documents - Universe Documents
Learn about the support documents for identifying the universe for CCL 3
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National Coastal Condition Assessment
The NCCA is a collaborative, statistical survey of the nation's coastal waters and the Great 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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National Coastal Condition Assessment Change in Condition
Explanation of why NCCA point estimates for a given survey year may vary from those used in the change analysis
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Workshop to Review Advances Made to the IRIS Process (Feb 2018)
NAS held a public workshop to review the progress made on the recommendations from the National Academies' National Research Council's May 2014 report on further improving the scientific quality of IRIS assessments.
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Training & Resources
Links to BMDS training, reference materials, and other learning resources
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National Coastal Condition Assessment 2015 Results
Results for the National Coastal Condition Assessment 2015, including key findings, national results, and ecoregional results,
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National Aquatic Resource Survey Webcasts
webasts of key findings from nla, nrsa, nwca, and ncca
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National Coastal Condition Assessment 2015 Lab Operations Manual
National Coastal Condition Assessment 2015 Lab Operations Manual
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National Coastal Condition Assessment 2015 Quality Assurance Project Plan
National Coastal Condition Assessment 2015 Quality Assurance Project Plan
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National Lakes Assessment 2017 Site Evaluation Guidelines
Site Evaluation Guidelines for the NLA 2017
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National Lakes Assessment 2017 Laboratory Operations Manual
Laboratory Manual for the NLA 2017
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National Lakes Assessment 2017 Quality Assurance Project Plan
Quality Assurance Project Plan for the NLA 2017