Science & Technology
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Monitoring Unregulated Contaminants in Drinking Water
Provides the Unregulated Contaminant Monitoring Rule requirements and the monitoring results (data).
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Indicators: Physical Habitat Complexity
Physical habitat complexity measures the amount and variety of all types of cove at the water’s edge in lakes. In general, dense and varied shoreline habitat is able to support more diverse communities of aquatic life.
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Biosolids
Explore key documents and learn about the scientific basis for biosolids management, including application to soils.
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Fish and Shellfish Program Newsletter - 2023
Fish and Shellfish Program Newsletter - 2023
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Integrated Approach Monitoring Strategy
Integrated Approach Monitoring Strategy
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Sporlan Valve Plant 1 Superfund Site, Washington, Franklin County, Missouri - Fact Sheet, July 2016
EPA to Host Public Availability Session
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Equistar Chemicals, LP Facility - Clinton, Iowa - Fact Sheet, May 2018
Public Comment Period for Draft RCRA Operating Permit
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Standard Operating Procedures for Long Term Archiving of Filters in the Chemical Speciation Network (CSN)
This page contains a link to the Standard Operating Procedures for the long term archiving of CSN filters.
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Chemical Speciation Network - Parameters Reported to the Air Quality System (AQS)
This page includes measurements made in the chemical speciation network
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Chemical Speciation Network (CSN) - General Information
This is the homepage for EPA’s PM2.5 Chemical Speciation Network (CSN). The CSN is an ambient monitoring network comprised of the Speciation Trends Network (STN) and supplemental sites.
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Standard Operating Procedures for the Analysis of Ions in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures (SOP) for the analysis of ions in Chemical Speciation Network (CSN) samples
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Standard Operating Procedures for the Analysis of Carbon in Chemical Speciation Network (CSN) Samples
Quality Assurance Project Plan for CSN
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Standard Operating Procedures for Data Validation and Reporting of Chemical Speciation Network (CSN) Data
Standard Operating Procedures (SOP) for data validation and reporting of Chemical Speciation Network (CSN) data
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Standard Operating Procedures for the Analysis Chemical Speciation Network (CSN) Samples using X-ray Fluorescence (XRF)
Standard Operating Procedures (SOP) for the analysis Chemical Speciation Network (CSN) samples using XRF
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Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
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Tribal Training Support for the Community and Tribal Air Quality Programs - Closed Announcement FY 2019
OAR is seeking applications from eligible entities to provide comprehensive air quality policy and regulatory analysis including support and national coordination activities to assist tribes participation in policy and regulatory activities.
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Energy and Integrated Assessment Modeling Studies - Closed Announcement FY 2019
OAR is seeking applications from eligible entities to provide comprehensive air quality policy and regulatory analysis including support and national coordination activities to assist tribes participation in policy and regulatory activities.
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2020 DERA Tribal Grants - Closed Announcement FY 2020
EPA’s Office of Air Quality Planning & Standards is soliciting applications from eligible entities to compete for financial assistance through the Targeted Airshed Grant Program.
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Reducing Public Exposure to Indoor Pollutants - Closed Announcement FY 2020
EPA’s Office of Air Quality Planning & Standards is soliciting applications
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Exposure & Fate Assessment Screening Tool (E-FAST) Version 2.0 Computer-Based Training Introductory Course
The EPA Office of Pollution Prevention and Toxics, Economics, Exposure, and Technology Division has developed several exposure assessment tools and models.