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No IRIS Act of 2025

S. 623 Sen. John Kennedy (R-LA) In committee
Bill text PDF
  1. Introduced Feb 18
  2. Committee Feb 18
  3. Passed Senate Next
  4. Passed House Not yet
  5. To President Not yet
  6. Law Not yet
Where it stands
In committee, Feb 18, 2025Next: Senate vote
616d ago Feb 18, 2025: Read twice and referred to the Committee on Environment and Public Works.
Final votes
No roll callsNo recorded vote on this bill yet
Lobbying
2companies, 13 filings
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3trades in the last 90 days
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Companies lobbying on this bill

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Summary

This bill prohibits the Environmental Protection Agency (EPA) from using assessments from its Integrated Risk Information System (IRIS) program as a primary data source in rulemakings and other regulatory, enforcement, or permitting actions.

Sec. 2, Prohibition on use of IRIS assessments: The EPA Administrator may not use any IRIS program assessment as a basis to develop, finalize, or issue a rule or regulation; to carry out any regulatory, enforcement, or permitting action; or to inform air toxics assessments or other mapping or screening tools. This prohibition applies notwithstanding any other law.

Summary of the bill text as introduced in Senate (Feb 18, 2025), generated by SecBot from the official bill text; the Library of Congress summary is not yet published.

Official record from Congress.gov, the House Clerk and the Senate; lobbying from Lobbying Disclosure Act filings. Updated Oct 27, 2026.