Announcements and Schedules
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Revising the Definition of "Waters of the United States"
Information regarding effort to Revise the Definition of Waters of the United States, the NOI to review and replace the NWPR, as well as EO 13990
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Amendments to the 2023 Rule
Amendments to the 2023 Rule "Revised Definition of 'Waters of the United States'"
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FY 2016 and FY 2017 Pollution Prevention Grant Program Request for Proposals
To assist state and tribal governments to encourage businesses to adopt environmental strategies and solutions that significantly reduce or eliminate waste from the source, EPA anticipates it will award approximately $3.97 million for the P2 Grant in 2016.
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FY 2016 and FY 2017 Request for Proposals for the Source Reduction Assistance Grant Program
EPA is announcing the availability of SRA grants and/or cooperative agreements to fund projects supporting p2/source reduction and resource conservation; it is anticipated up to $2,200,000 will be available collectively.
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Recent Activities for the New Chemicals Program under the Toxic Substances Control Act
This page lists recent announcements concerning the EPA's New Chemicals Program going back to July 2012.
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Chemical Safety Board’s Purchase Card Program for Fiscal Year 2022
The OIG plans to initiate an inquiry into the drinking water emergency in Jackson, Mississippi.
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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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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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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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Fiscal Year 2026 Indian Environmental General Assistance Program (GAP) National Notice of Funding Availability (NOFA)
The FY26 GAP Notice of Funding Availability (NOFA)
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Notification of Audit: The EPA’s Fiscal Years 2023 and 2022 Consolidated Financial Statement Audit
The U.S. Environmental Protection Agency Office of Inspector General plans to begin an audit of the EPA’s compliance with the Federal Information Security Modernization Act of 2014.
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Semiannual Report to Congress: April 1–September 30, 2023
Semiannual Report to Congress: April 1–September 30, 2023
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National Vehicle and Fuel Emissions Laboratory (NVFEL) 2012 Vehicle Technology Showcase
This page provides a summary of information on National Vehicle and Fuel Emission Laboratory 2012 Vehicle Technology showcase.
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Notification: EPA Internal Controls to Account for and Secure Laptops
Project #OA-FY22-0117, May 19, 2022. The OIG plans to begin an audit on the EPA’s internal controls to account for and secure the Agency’s laptops before they are distributed to employees.
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EPA Updates Review on Potential Paraquat Volatilization and Plans to Request Additional Data from Manufacturers
EPA is releasing an updated review of the potential for the pesticide paraquat to volatilize from treated agricultural fields.
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WV 303(d) List Public Notice
Created draft page for WV 303(d) List Public Notice. to be edited when information becomes available.
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EPA OIG Commemorates Whistleblower Appreciation Day: IG Message and Whistleblower Protection Podcast
Inspector General Sean O’Donnell's message for U.S. EPA and Chemical Safety Board colleagues in honor of National Whistleblower Appreciation Day.
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Update on the Status of TSCA Risk Management Rule for TCE
Nov. 13, 2025 listserv.
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EPA Requires Companies to Submit Records on Reported Health and Environmental Effects Caused by Chemical Being Considered for TSCA Risk Evaluation
Dec. 21, 2023 listserv announcing Requirement for Companies to Submit Records on Reported Health and Environmental Effects Caused by Chemical Being Considered for TSCA Risk Evaluation
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EPA Releases Updated Mitigation Proposal for Atrazine
EPA released its proposed registration decision for products containing the new active ingredient veratrine, an insecticide for direct application to walls and other man-made structures, such as transportation equipment for non-food commodities.