Collections and Lists
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Federal Register Notices and State Authorization Tracking System (StATS) Reports for State Authorization under the Resource Conservation and Recovery Act
Authorization Federal Register Notices and state authorization activity.
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State Authorization under the Resource Conservation and Recovery Act (RCRA)
Documents and details about EPA's RCRA State Authorization
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Health and Environmental Agencies of U.S. States and Territories
Find the websites for environmental and public health agencies for each U.S. state and territory. Many EPA certification programs and activities such as waste management, as well as local environmental complaints, are delegated to state authorities.
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EPA in South Dakota
Portal for news and information about EPA's efforts in South Dakota and SD environmental conditions.
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State Authorization Tracking System (StATS)
Documents and details about EPA's RCRA State Authorization
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EnviroAtlas
EnviroAtlas is a collection of interactive tools and resources that provides data, research, and analysis on the relationships between nature, people, health and the economy.
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EPA Pacific Southwest (Region 9) RTOC Meeting Registration
Register for the upcoming EPA Pacific Southwest (Region 9) Regional Tribal Operating Committee (RTOC) Meeting.
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RTOC Meeting Materials: Summer 2026
Documents related to the Winter 2026 Regional Tribal Operations Committee (RTOC) meeting in EPA's Pacific Southwest, Region 9.
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Electric Power Generation, Transmission and Distribution (NAICS 2211)
EPA regulatory information for electrical utilities, such as coal-fired power plants, includes NESHAPs for RICE, stationary combustion engines, fossil fuel waste, cooling water, effluent guidelines, and information on the MATS rule.
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Nonattainment Areas for Criteria Pollutants (Green Book)
Areas of the country where air pollution levels persistently exceed the national ambient air quality standards may be designated "nonattainment." This site provides current information on nonattainment areas by state and pollutant.
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EPA in Montana
Portal for news and information about EPA's efforts in Montana and MT environmental conditions.
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EPA Transcriptomic Assessment Product (ETAP)
More chemical information is needed to make informed, risk-based decisions. To address this, researchers developed the EPA Transcriptomic Assessment Product (ETAP), a novel human health assessment for chemicals lacking traditional toxicity testing data.
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EPA in Wyoming
Portal for news and information about EPA's efforts in Wyoming and WY environmental conditions.
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Section 404 of the Clean Water Act: Permitting Discharges of Dredge or Fill Material
Information about the Clean Water Act permitting program for dredge or fill material into waters of the US, including roles, 401 certification of permits, state/tribal assumption of 404 program, mitigation requirements, regulations
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AOC: San Gabriel Valley Superfund Site
Administrative order for cleanup work at the area 4 puente valley operable unit in the San Gabriel Superfund site in Region 9.
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Environmental Crime Victim Resources - Pennsylvania
A resource listing for environmental crime victims
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Environmental Crime Victim Resources - New Hampshire
A resource listing for environmental crime victims
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Emergency Response for Drinking Water and Wastewater Utilities
The website provides critical information to drinking water and wastewater utilities responding to an emergency.
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Safe Drinking Water on Tribal Lands
Information on how EPA works with American Indians and Alaska Natives to help their systems to improve access to safe drinking water on tribal lands.
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Contact us About Drinking Water Requirements for States and Public Water Systems
Access information on implementing drinking water rules; as well as training materials and resources for small public water systems.