Collections and Lists
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Gravity Method
Gravity Method basic concept
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Publications That Cite the BPK Values
Since its initial release in 2019, EPA’s Benefits-per-Kilowatt-Hour (BPK) Values have been used to support many studies and analyses that have been published by other government agencies, nonprofit organizations, and academic researchers.
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New Hampshire Small MS4 General Permit
Information and documents on the Draft New Hampshire Small MS4 General Permit
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Deepwater Horizon RESTORE 2025 Status Report
2025 Status Report from the Gulf Coast Ecosystem Restoration Council about the Deepwater Horizon Oil Spill
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Developments in the IRIS Program
This announcement includes the informational materials outlining the enhancements that were made to the 2009 IRIS Process for developing assessments.
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Basic Information about EPA ExpoBox
EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases,
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EPA ExpoBox Unit Conversion Table
This page in the EPA ExpoBox includes a table with unit conversions used for exposure assessments.
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New Source Review Related Links
Provides links to New Source Review related sites within EPA and outside of EPA.
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Region 9: Children's Environmental Health in the Pacific Southwest
Resources to learn about Children’s Environmental Health in Arizona, California, Hawaii, Nevada, the Pacific Islands, and over 140 Tribal Nations
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EPA Approved Regulations in the Wyoming SIP
EPA Approved Regulations in the Wyoming SIP
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About EPA's Science Advisory Organizations
List of internal and external science advisory organizations
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Research Centers, Programs, and Science Advisory Organizations
General EPA information about EPA Research Centers, Programs, and Science Advisory Organizations
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EPA Regional and State Contacts for Biosolids
EPA State and Regional Coordinators for Biosolids
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Hawai'i Cesspool Administrative Orders
EPA Region 9 has entered into Consent Agreements with a number of public agencies and private entities to address violations of the large capacity cesspool requirements in Hawai'i.
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Links Related to Northwest Indiana (Indiana)
Northwest Indiana of the Urban Waters Federal Partnership (UWFP) reconnects urban communities with their waterways by improving coordination among federal agencies and collaborating with community-led efforts.
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Archive of The Rapids: EPA Trash Free Waters' Monthly Update
Archive of the Rapids, PDF files
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Resources Related to Gulf Hypoxia, Nutrient Pollution, the Mississippi River Basin, and the Gulf of America
Additional resources for HTF work are listed here.
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Statoil Outer Continental Shelf Air Permit Documents
Outer Continental Shelf(OCS) Air Permit Modification, OCS-EPA-R4012-M1, for Statoil Drilling and Exploration Activities in the DeSoto Canyon
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Farmer Heroes Manage Nutrients On Farm
These featured farmers have been identified by the National Association of Conservation Districts and EPA for implementing specific best management practices to reduce pollution while also improving or sustaining their profits, soil quality or yields.
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FEGS Datatable
This interactive resource makes it easy to search all 300+ Data Layers and access their fact sheets.