HB4640

Environmental protection: cleanups; cleanup standards; require. Amends secs. 20101, 20107a, 20112a, 20114, 20114b, 20114c, 20114d, 20114e, 20119, 20126, 20126a, 20137 & 20139 of 1994 PA 451 (MCL 324.20101 et seq.); adds secs. 20113a & 20139a & repeals secs. 20114a & 20114g of 1994 PA 451 (MCL 324.20114a & 324.20114g). TIE BAR WITH: HB 4638'25, HB 4636'25

Introduced·6/10/25
Introduced Text

Michigan HB4640 amends environmental cleanup laws to modify cleanup standards and procedures.

Michigan HB4640 amends sections of the Michigan Environmental Response Act to revise cleanup standards and procedures. It introduces new definitions for terms like "hazardous substance," "release," and "remedial action." The bill mandates immediate actions for owners or operators of facilities with hazardous substance releases, including stopping ongoing releases, addressing fire and explosion hazards, and preventing further release. It outlines specific reporting requirements for hazardous substance releases and establishes a process for submitting and reviewing response activity plans.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Current
Government Operations Committee
Next
Committee decision

Sponsors

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24
0
Democratic CaucusRepublican Caucus

History

Jun 11, 2025

House

Bill Electronically Reproduced 06/10/2025

Jun 10, 2025

House

Introduced By Representative Rep. Matt Koleszar

Jun 10, 2025

House

Read A First Time