Science & Technology
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ECOTOXicology Knowledgebase Training Webinar Archive
Archive page for EPA Tools and Resources Training Webinar: ECOTOXicology Knowledgebase, held on February 4, 2021.
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Water Quality Standards Regulations: Port Gamble S’Klallam Tribe
Information related to Water Quality Standards for Port Gamble S’Klallam Tribe.
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Methane Challenge Partnership (2016 – 2024)
Provides an overview of the EPA Natural Gas STAR Methane Challenge Program
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TMDL Support Documents
A collection of TMDL information and support documents.
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Impaired Waters and Nutrients
An overview of TMDLs associated with nutrients.
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Impaired Waters and Stormwater
An overview of developing and implementing stormwater TMDLs.
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Natural Gas STAR Partnership (1993 – 2022)
Natural Gas STAR Program Accomplishments
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Downloading AVERT Files for Use in SMOKE
Presentation with directions for downloading AVERT files for use in the Sparse Matrix Operator Kernel Emissions (SMOKE).
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Measuring Up: How to Track and Evaluate Local Sustainability Projects
Learn about two new federal resources to help you measure, track, and report progress, based directly on the experiences of local governments across the country, and hear from one case study taking place in northwest Washington.
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Advances in Environmental Monitoring: Water Sensors Webinar Archive
Archive page for march 16 webinar on water sensors
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Biofuels and the Environment
This site is about the EPA Report to Congress on biofuels and includes information and links on the 2 completed reports and the new report in development in 2022.
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Integrated Science Assessment (ISA) for Lead
Information, history and background on the development and maintenance of the lead integrated science assessments developed by EPA's Office of Research and Development's Center for Public Health and Environmental Assessments.
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Exposure Factors Handbook (2011 Edition)
Exposure Factors Handbook: 2011 Edition. The Exposure Factors Handbook provides information on various physiological and behavioral factors commonly used in assessing exposure to environmental chemicals.
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About GCX Critical Loads
The CL Mapper Tool contains data from a variety of pre-existing deposition, CL, and overlay datasets.
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Application Programming Interface (API)
Application Program Interfaces at EPA including API strategy and a list of available APIs
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Integrated Science Assessment (ISA) for Particulate Matter
Information, history and background on the development and maintenance of the latest draft particulate matter assessments.
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Basic Information About Provisional Peer-Reviewed Toxicity Values (PPRTVs)
Learn more about what PPRTVs, who develops them, and how they are used on this basic information page which also includes guidance and tool links, steps to the PPRTV development process and history of the program.
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Grants API
The Grants API allows users to query grants data in NGGS.
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Kentuckey/West Virginia Coal Slurry Spill Martin County Coal Corporation Pollution Report Number 23
Contains current activity report to EPA on Kentuckey/West Virginia Coal Slurry Spill Martin County Coal Corporation Pollution, December 21, 2000
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PCS- 404 Permit - Gregory Summary E-mail
Contains summary of meeting of 404 permit with Dr. James Gregory, PCS Phosphate Mine expansion, Aurora, Beaufort County, NC, April 17, 2009, e-mail sent on 4/20/2009