Laws & Regulations
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National Fuel Gas Supply Corporation Approval for Alternative Sampling Procedures for the Characterization of Vertical Natural Gas Pipelines
40 CFR Section 761.61(c) approval for use of alternative sampling procedures for the characterization of vertical natural gas pipelines.
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PWS-AO-2024-10: Tucson International Airport Area Site; Emergency Administrative Order for Response Action
Emergency Administrative Order for Response Action Pursuant to SDWA § 1431; Tucson International Airport Superfund Site. EPA Docket No. PWS-AO-2024-010.
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EPA Region 8 Policy for Environmental Protection in Indian Country
This guidance is intended to respond to and clarify questions that are most frequently raised by our internal and external customers and constituents, relating to: Agency protocol in working with federally recognized tribes and more
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Endangered Species Act and Environmental Protection in Indian Country
Descripiton of the role of the EPA plays in regards to the Endangered Species Act as it pertains to tribal communities.
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Guidelines for Direct Implementation Tribal Cooperative Agreements (DITCAs)
These are the guidelines for Direct Implementation Tribal Cooperative Agreements (DITCAs). They are effective immediately. These Guidelines are meant to assist regional and headquarters personnel in developing and funding DITCAs and replace previously issu
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EPA’s Direct Implementation of Federal Environmental Programs in Indian Country
EPA Direct Implementation of Federal Environmental Programs in Indian Country
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Tribal Consultation Policy Implementation for EPA Region 3
SOP for Region 3 Tribal Consultation Policy
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Guidance for Email Transmittal of Air Permit Documents from Louisiana sources to R6AirPermitsLa@epa.gov
Provides email subject text and file naming conventions for people sending air permit related information to EPA Region 6 for sources located in Louisiana
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Anadarko Petroleum Corp. - Eastern Gulf of Mexico Outer Continental Shelf (OCS) Final Permit Documents Issued By EPA Region 4
Anadarko Petroleum Corp. - Phoenix Prospect Outer Continental Shelf (OCS) Final Permit Documents
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Policy and Technical Guidance
EPA provides information on voluntary mobile source emission reduction policies when innovative strategies are used to reduce air pollution from cars, trucks and other transportation sources.
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NPDES Permit for Tucker Wastewater Treatment Facility
EPA's NPDES wastewater permit for the Tucker Wastewater Treatment Facility located within tribal lands of the Mississippi Band of Choctaw Indians.
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DTE Electric Co. Belle River Power Plant
US/Canada AQA Notification Table
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Monitoring, Assessment and TMDLs: Nevada
An overview of monitoring, assessment and TMDLs in Nevada.
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EPA Documents related to Nevada's 2014 Section 303(d) List of Impaired Waters
Documents detailing Nevada's 2014 Section 303(d) List of Impaired Waters.
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Lake Tahoe Total Maximum Daily Load (TMDL)
Documents related to Lake Tahoe's Total Maximum Daily Load (TMDL).
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EPA's Response Letters to Hawaii's Section 303(d) Lists of Impaired Waters
EPA Response Letters to Hawaii's Section 303(d) Lists of Impaired Waters.
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California’s 2004-2006 Section 303(d) List of Impaired Waters
Documents detailing California’s 2004-2006 Section 303(d) List of Impaired Waters.
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California’s 2008-2010 Section 303(d) List of Impaired Waters
Documents detailing California’s 2008-2010 Section 303(d) List of Impaired Waters.
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UIC Permit for McArthur River Field Trading Bay Unit, Cook Inlet, Alaska (expired)
EPA Underground Injection Control permit for the McArthur River Field Trading Bay Unit, Cook Inlet, Alaska.
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UIC permit for Cosmopolitan Unit, Cook Inlet, Alaska (expired)
Underground Injection Control (UIC) Class I Permit for Cosmopolitan Unit, Cook Inlet, Alaska (AK1I016-A).