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SB 505
Michigan Senate•In Senate Committee
Summary
SB 505, “Environmental protection: hazardous products; Michigan statewide microplastics strategy; establish. Amends 1994 PA 451 (MCL 324.101 - 324.90106) by adding pt. 151”, was introduced in the Senate on Aug 14, 2025 by Sen. Sue Shink (D) with 7 co-sponsors. It last saw action on Mar 11, 2026: Referred To Committee Of The Whole With Substitute (s-1).
Record
Text
SB 505 has 7 co-sponsors and 1 roll call.
sb505/introduced.txtSENATE BILL NO. 505A bill to amend 1994 PA 451, entitled"Natural resources and environmental protectionact,"(MCL 324.101 to 324.90106) by adding part 151.the people of the state of michigan enact:PART 151STATEWIDE MICROPLASTICS RESEARCHAND MONITORING PLANSec. 15101. (1)The department, in consultation with other state departments and agencies andinterested entities, shall develop a statewide microplastics research andmonitoring plan to assess the occurrence of microplastics, including in plantsand animals, and the impact of microplastics on human and animal health, thehealth of the Great Lakes, and the critical drinking water supply and identifyproposed solutions to address the impacts of microplastic materials, to theextent feasible.(2) The department may enter into 1 or more contracts with research institutionsin this state, including those associated with Grand Valley State University,Michigan State University, the University of Michigan, Wayne State University,and other academic and research institutions that have demonstrated expertiserelating to the effects of microplastic materials on the Great Lakes, forresearch services that will contribute directly to the development of the statewidemicroplastics research and monitoring plan.(3) The statewide microplastics research and monitoring plan mustinclude, but is not limited to, all the following:(a) Strategies for developing a comprehensive plan to identify andevaluate the ecological, health, and economic impacts associated with microplasticsin the Great Lakes.(b) Methods for sampling, detecting, and characterizing microplastics thatare consistent with recognized standards from scientific, peer-reviewedresearch or relevant agencies, including, but not limited to, any of thefollowing:(i) TheInternational Joint Commission.(ii) The UnitedStates Environmental Protection Agency.(iii) The NationalOceanic and Atmospheric Administration.(iv) ASTMInternational.(c) A list of the baseline concentrations of microplastics in the GreatLakes that includes, but is not limited to, all the following information:(i) An assessmentof the associated environmental and human health impacts.(ii) Solutions thisstate can immediately implement.(iii) Factors thatshould be considered, such as microplastic particle age, size, shape, type, andlocation.(d) Research actions that are in alignment with best practices andactions taken by other Great Lakes states and Canada.(e) An investigation into the sources of microplastics and thesignificance of pathways related to environmental and human health impacts ofmicroplastics.(f) A list of long-term research objectives and strategies for reducingmicroplastics in the Great Lakes, which must be updated annually and made availableto the public.(g) An impact assessment framework for microplastics consistent with bestavailable science and research, and based on the best available information onexposure of microplastics to organisms, including humans, through pathways identifiedunder subdivision (e).(h) Approaches to reduce the introduction of microplastics into theGreat Lakes from significant pathways and sources, with an emphasis on thesizes, shapes, and types of microplastics that are associated with significantenvironmental and human health impacts.(i) Recommendations for both of the following:(i) Policy changes,including statutory changes, or additional research that may be needed.(ii) Solutions tocontrol microplastic introduction into the Great Lakes, such as sourceelimination, pathway intervention, and public education and outreach.(j) A timeline to implement the statewide microplastics research andmonitoring plan and reduce the impacts of microplastics on the Great Lakes.(k) A list of potential barriers to implementation that includesestimated costs and potential funding sources.(4) To develop and implement the statewide microplastics research andmonitoring plan, the department may utilize existing information and leverageongoing federal efforts and efforts of this state and other states, when possible.(5) Not later than July 1, 2026, the department shall submit the statewidemicroplastics research and monitoring plan to the legislature. Not later thanJanuary 30, 2029, the department shall submit a report to the legislature regardingthe implementation of the statewide microplastics researchand monitoring plan.(6) To the extent that funds are available from bonds and other sources,including federal funds, not later than July 1, 2028, the department shalladopt and implement the statewide microplastics research and monitoring plan.(7) As used in this section:(a) "Department" means the department of environment, GreatLakes, and energy.(b) "International Joint Commission" means a binationalorganization established by the governments of the United States and Canadaunder the Boundary Waters Treaty of 1909, and whose responsibilities wereexpanded under the Great Lakes Water Quality Agreement of 1972.(c) "Microplastics" means a solid plastic particle that has atleast 3 dimensions and measures less than 5 millimeters in size and that maycontain chemical additives or other substances. Microplastics do not includenaturally occurring, non-chemically modified polymers.
Environmental protection: hazardous products; Michigan statewide microplastics strategy; establish. Amends 1994 PA 451 (MCL 324.101 - 324.90106) by adding pt. 151.
Sponsors
Sen. Sue Shink (D) sponsors SB 505, and 7 members have co-sponsored it.
Committees
SB 505 went before 1 committee: Natural Resources And Agriculture.
History
SB 505 has taken 4 actions since Aug 14, 2025, the latest on Mar 11, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Mar 11, 2026 | Senate | Reported Favorably With Substitute (s-1) 3/10/2026 | ||
Mar 11, 2026 | Senate | Referred To Committee Of The Whole With Substitute (s-1) | ||
Aug 14, 2025 | Senate | Introduced By Senator Sue Shink | ||
Aug 14, 2025 | Senate | Referred To Committee On Natural Resources And Agriculture |
Votes
SB 505 went to 1 roll call in the Senate, the latest on Mar 11, 2026 at 4–2.
| Chamber | Question | Yea | Nay | |||
|---|---|---|---|---|---|---|
Mar 11, 2026 | Senate | Reported Favorably With Substitute S-1 3/10/2026 | 4 | 2 |
Source: legislature.mi.gov · legiscan.com