Collections and Lists
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Downloadable Tools
Learn about and access tools and resources developed in association with each Organon Partner Project
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Science Symposia to Reassess the Science of Hypoxia
Four symposia were conducted as part of the Reassessment with the purpose of assessing the current state of the science of hypoxia. An additional workshop on the science of nutrients in the Mississippi River Basin contributed to the reassessment.
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Learn about Hypoxia in the Gulf of America
Landing page for sidebar navigation.
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Categories of Water Data
Categories of tools for water-related data.
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Nonpoint Source: Volunteer Monitoring
A collection of EPA publication volunteer monitoring resource.
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Environmental Data Maps for the Southeast
Data maps for the southeast including Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and 6 Tribes
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Surface Water Quality Modeling
This page contains facts about Surface Water Quality Modeling
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EPA Oversight of State/Tribal/Local CAA Permitting Authorities in Region 8
EPA-issued CAA permits pending in Region 8, serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, and 27 Tribal Nations.
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Synthetic Minor NSR Permit: SIMCOE, LLC (formerly BP America Production Company) - Salvador I/II Central Delivery Point
This page contains the response to public comments, the final synthetic minor NSR permit, and the administrative record for the BP America Production Company, Salvador I/II CDP, located on the Southern Ute Indian Reservation in La Plata County, CO.
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Synthetic Minor NSR Permit: MountainWest Pipeline, LLC (formerly Dominion Energy Questar Pipeline, LLC) - Fidlar Compressor Station
This page contains documents related to the synthetic minor NSR permit for the MountainWest Pipeline, LLC (formerly Dominion Energy Questar Pipeline, LLC) Fidlar Compressor Station, located on the Uintah and Ouray Indian Reservation in Uintah County, UT.
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Synthetic Minor NSR Permit: Thunder Butte Petroleum Services, Inc. - Crude Storage and Loading Facility
This page contains documents relevant to the synthetic minor NSR permi for the Thunder Butte Petroleum Services, Inc., Crude Storage and Loading Facility, located on the Fort Berthold Indian Reservation in Ward County, ND.
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Resources for Developers
Lindsay Light Resources for Developers
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EPA Regional Office CWSRF Contacts
EPA Regional CWSRF Contacts
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Minor NSR Permit: Crusoe Energy Systems, Inc - Crosby Chase CTB
Minor NSR permit application, air quality modeling files and other supporting documentation for the minor modification at the American Gilsonite Company - Cottonwood Mine Site, located on the Uintah and Ouray Indian Reservation.
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Synthetic Minor NSR Permit: MPLX (Owned by Andeavor Field Services, LLC (formerly Tesoro Logistics-Rockies)) - Ponderosa Compressor Station
This page contains documents related to the synthetic minor NSR permit for the Tesoro Logistics-Rockies Ponderosa Compressor Station, located on the Uintah and Ouray Indian Reservation in Uintah County, UT.
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Clean Air Act Standards and Guidelines for Foam, Fiber, Plastic and Rubber Products
Regulations covering stationary sources of pollution in the foam, fiber, plastic and rubber products sector.
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Clean Air Act Standards and Guidelines for Sterilizers
This page contains the stationary sources of air pollution for the sterilizer industries, and their corresponding air pollution regulations. To learn more about the regulations for each industry, just click on the links below.
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West Oakland Collaborative Memorandum of Understanding (MOU)
On January 17, 2025, EPA Region 9 (Pacific Southwest) launched a new collaborative effort to address impacts posed by a metal shredding operation (Radius Recycling) in West Oakland, California.
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Environmental Crime Victim Resources - Illinois
A resource listing for environmental crime victims
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West Coast Collaborative Trucking Sector Workgroup
This page provides information about current and emerging trucking fleet emissions reduction projects and funding programs in the West Coast region and highlights trucking emissions reductions resources.