Data and Tools
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Assessing and Reporting Water Quality (Questions and Answers)
Assessing and Reporting Water Quality (Questions and Answers)
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2004 National Water Quality Inventory Report to Congress
2004 National Water Quality Inventory Report to Congress
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1998 National Water Quality Inventory Report to Congress
1998 National Water Quality Inventory Report to Congress
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WQX Web System
WQX, WQX Web, water data sharing
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EnviroAtlas Data Download
EnviroAtlas National and Community data are made freely available for download.
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Modeling and Calculator Tools for State and Local Transportation Resources
Air quality models, calculators, guidance and strategies are offered for estimating and projecting vehicle air pollution, including ozone or smog-forming pollutants, particulate matter and other emissions that pose public health and air quality concerns.
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Solid Waste Program Budgeting for Alaska Tribal Communities
Guide for developing a budget for tribal solid waste programs in Alaska.
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Clean Water Indian Set-Aside Program Contacts
Clean Water Indian Set-Aside Program Contacts
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Inspection Tool for the Miscellaneous Organic Chemical Manufacturing NESHAP
Applicability flowcharts and inspection checklists for the miscellaneous organic chemical manufacturing NESHAP (40 CFR part 63, subpart FFFF).
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Tonawanda Coke EPA ERT Air Sampling Report
Scientific, Engineering, Response and Analytical Services (SERAS) contract personnel provided assistance to the Environmental Protection Agency/Environmental Response Team (EPA/ERT) and EPA Region 2 by performing air monitoring and sampling
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RSIG-Related Downloadable Data Files
Download fused air quality surfaces input and output files created using EPA's Downscaling Tool and the Community Multiscale Air Quality (CMAQ) model.
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RSIG3D Release History
The Release Notes page summarizes new or changed features/data for each RSIG public release.
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JS Testing - SAM 2022 Biotoxin Methods Query Results
Selected Analytical Methods
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Method Validation and Peer Review Policies and Guidelines
This page contains several documents of methods validation and peer review policy and guidelines followed by USEPA and created by Forum on Environmental Measurement (FEM).
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February, 2016 CDR Reporting Application Presentation
Powerpoint presentation of the 2016 CDR Reporting Application Webinar.
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AP 42, Fifth Edition, Volume I Chapter 14: Greenhouse Gas Biogenic Sources - Documents
AP 42, Fifth Edition, Volume I Chapter 14: Greenhouse Gas Biogenic Sources - Documents
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AP 42 Section 11.17 Lime Manufacturing - Related Information
AP 42 Section 11.17 Lime Manufacturing - Related Information
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AP 42 Section 11.6 Portland Cement Manufacturing - Related Information
AP 42 Section 11.6 Portland Cement Manufacturing - Related Information
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AP 42 Section 11.19-1 Sand and Gravel Processing - Related Information
AP 42 Section 11.19-1 Sand and Gravel Processing - Related Information
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AP 42 Section 11.7 Ceramic Clay Manufacturing - Related Information
AP 42 Section 11.7 Ceramic Clay Manufacturing - Related Information