Laws & Regulations
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Report: Audit of the EPA’s Fiscal Years 2021 and 2020 Toxic Substances Control Act Service Fee Fund Financial Statements
Report: Audit of the EPA’s Fiscal Years 2022 and 2021 (Restated) Pesticides Reregistration and Expedited Processing Fund Financial Statements
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Notification of Audit: The EPA’s Toxic Substances Control Act Service Fee Fund Fiscal Years 2021 and 2020 Financial Statement Audit Pursuant to the Toxic Substances Control Act, as Amended
Required audit of the EPA’s fiscal years 2021 and 2020 financial statements for the Frank R. Lautenberg Chemical Safety for the 21st Century Act, which amended the Toxic Substances Control Act, or TSCA, Service Fee Fund.
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EPA Initiates Cleanup of Uranium Mine Waste at Lukachukai Superfund Site on Navajo Nation
U.S. Environmental Protection Agency (EPA) is beginning the cleanup of 13,000 cubic yards of uranium mine waste rock at the Mesa V complex of three former mines in the Lukachukai Mountains on the Navajo Nation.
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Report: Audit of the EPA’s Fiscal Years 2022 and 2021 (Restated) Pesticides Reregistration and Expedited Processing Fund Financial Statements
Report: Audit of the EPA’s Fiscal Years 2022 and 2021 (Restated) Pesticides Reregistration and Expedited Processing Fund Financial Statements
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QUARTERLY UPDATE: October 2023
QUARTERLY UPDATE: October 2023
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Report: The EPA’s Pollution Prevention Grant Results Aligned with Program Goals, but a Supervisory Verification Process Is Needed
Report: The EPA’s Pollution Prevention Grant Results Aligned with Program Goals, but a Supervisory Verification Process Is Needed
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Notification: Pollution Prevention Grants Reporting
Project #OA-FY21-0225, July 15, 2021. The OIG plans to begin an audit of the EPA’s pollution prevention, or P2, grants reporting.
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Washington NPDES Permits
NPDES water permits issued by EPA in Washington.
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Report: The EPA Needs to Better Implement Internal Access Control Procedures for Its Integrated Risk Information System Database
Report: The EPA Needs to Better Implement Internal Access Control Procedures for Its Integrated Risk Information System Database
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Notification: Integrated Risk Information System Security Access Controls
Project #OA-FY22-0071, February 24, 2022. The OIG plans to begin fieldwork for our audit of the Integrated Risk Information System security access controls.
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NPDES Permit for Toppenish Wastewater Treatment Plant on the Yakama Reservation
EPA's NPDES wastewater permit for the Toppenish Wastewater Treatment Plant within the Yakama Indian Reservation in Washington.
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Report of Investigation: [Redacted], Office of Inspector General, U.S. Environmental Protection Agency
Report of Investigation: [Redacted], Office of Inspector General, U.S. Environmental Protection Agency
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Idaho NPDES Permits
NPDES water permits issued in Idaho.
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NPDES Permit for Riverside Water and Sewer District Water Treatment Plant in Idaho
NPDES permit documents for Riverside Water and Sewer District Water Treatment Plant in Orofino, Idaho.
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District of Columbia SIP: Carbon Monoxide Maintenance Plan for the Metropolitan Washington, D.C. Area
District of Columbia SIP - EPA Approved non -regulatory and quasi-regulatory material
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District of Columbia SIP, Source Specific Requirement Blue Plains Advanced Wastewater Treatment Plant.
District of Columbia - Source Specific Requirement
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Delaware SIP, Section 110(a)(2) Infrastructure Requirements for the 2015 Ozone NAAQS.
Delaware SIP - EPA Approved non -regulatory and quasi-regulatory material
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Maryland SIP, Section 110(a)(2) Infrastructure Requirements for the 2015 Ozone NAAQS
Maryland - EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Maryland SIP
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Delaware SIP, Negative Declaration for the 2016 Oil and Gas Control Technology Guidelines.
Delaware SIP - EPA Approved non -regulatory and quasi-regulatory material
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District of Columbia SIP, 2008 8-Hour Ozone Certification for Nonattainment New Source Review (NNSR).
District of Columbia SIP - EPA Approved non -regulatory and quasi-regulatory material