Data and Tools
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Draft Swine Air Emission Models for Animal Feeding Operations
National Air Emissions MOnitoring for Animal Feeding Operations
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KABAM Version 1.0 User's Guide and Technical Documentation - Appendix B - Explanation of Defaults and Alternative Values Representing Abiotic Characteristics of Aquatic Ecosystem
Discussion of values used in KABAM for particulate organic carbon, dissolved organic carbon, dissolved oxygen, suspended solids, water temperature, and % organic carbon content of the sediment.
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U.S. Greenhouse Gas Inventory by State Methodology Report Archive
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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State and Tribal Greenhouse Gas Data and Resources
State and Tribal Greenhouse Emissions and Removals
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2021
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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ChemExpo: Help
Access the ChemExpo User Guide, contact information for ChemExpo support, and frequently asked questions.
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ChemExpo Knowledgebase Resource Hub
The Chemical Exposure Knowledgebase (ChemExpo) is a new public-facing data search and visualization tool for exploring chemical data relevant to exposure assessment that has been curated from public documents.
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Greenhouse Gas Subpart W Model: FLARE STACK DETAILS
Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.
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EnviroAtlas Interactive Map
A multi-extent Interactive Map with broad scale data for the lower 48 states and fine scale data for selected communities.
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EnviroAtlas Eco-Health Relationship Browser
An easy-to-use relational browser showing the linkages between ecosystems, the services they provide, and human health.
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Federalism Consultation - Pre-Proposal of a Revised Definition of Waters of the US
Description of Federalism outreach efforts and links to document pages for all federalism letters received in response to Summer-Fall 2021 Waters of the United States Rulemaking
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Tribal Consultation - Pre-Proposal of a Revised Definition of Waters of the US
Description of Tribal outreach efforts and links to document pages for all tribal consultation letters received in response to Summer-Fall 2021 Waters of the United States Rulemaking
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Enhancing Radiological Laboratory Testing for Radionuclides in Drinking Water - Training
Training on the basics of radioactivity and radiochemical methods of analysis as applied to drinking water analysis.
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Rounds 1 and 2 Datasets for the Unregulated Contaminant Monitoring Program Managed by State Drinking Water Programs
This page contains data about Unregulated Contaminant Monitoring from State drinking water programs
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Reporting Requirements for the Fifth Unregulated Contaminant Monitoring Rule (UCMR 5)
This page provides information on reporting requirements for unregulated contaminant monitoring program.
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Green Book Nitrogen Dioxide (1971) Area Information
Nitrogen Dioxide (1971)
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Green Book Disclaimer
Disclaimer for the Green Book
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Green Book Areas with a Maintenance Plan Requirement Under Section 110(a)(1) of the CAA
Areas with a Maintenance Plan Requirement Under Section 110(a)(1) of the CAA
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2019
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
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Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020
Methodology Report: Inventory of U.S. Greenhouse Gas Emissions and Sinks by State: 1990-2020