---
type: "Bill"
title: "Environmental protection: air pollution; location notification requirement; modify. Amends sec. 5505 of 1994 PA 451 (MCL 324.5505)."
description: "Environmental protection: air pollution; location notification requirement; modify. Amends sec. 5505 of 1994 PA 451 (MCL 324.5505)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "SB 255"
citation: "Michigan SB 255 (2019-2020)"
classification: ["bill"]
subjects: ["Environmental protection: air pollution", "State agencies (existing): environmental quality"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 27
vote_count: 2
first_action: "2019-04-10T04:00:00+00:00"
last_action: "2019-11-20T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/a9034eb5-56ba-479a-a12b-b8100e1b2703"
source_url: "http://legislature.mi.gov/doc.aspx?2019-SB-0255"
source_hash: "d16a0c7b1317c5976df0a42727ef009198c657fbe7b8f06a0cdab469aa860178"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mi"]
---

# Michigan SB 255 (2019-2020) — Environmental protection: air pollution; location notification requirement; modify. Amends sec. 5505 of 1994 PA 451 (MCL 324.5505).

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **As Passed by the House** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2019-SEBH-0255.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2019-SEBS-0255.htm)
3. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2019-PA-0120.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/Senate/htm/2019-SIB-0255.htm)

## Votes

- PASSED ROLL CALL # 189 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 — **38–0** (pass) · upper
- passed; given immediate effect Roll Call # 284 Yeas 109 Nays 0 Excused 0 Not Voting 1 — **109–0** (pass) · lower

## Sponsors

- Kimberly LaSata — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-04-10T04:00:00+00:00** INTRODUCED BY SENATOR KIM LASATA `introduction`
- **2019-04-10T04:00:00+00:00** REFERRED TO COMMITTEE ON ENVIRONMENTAL QUALITY `referral-committee`
- **2019-06-19T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2019-06-19T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2019-06-19T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2019-08-29T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2019-08-29T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2019-09-04T04:00:00+00:00** PASSED ROLL CALL # 189 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 `passage`
- **2019-09-04T04:00:00+00:00** received on 09/04/2019 `introduction`
- **2019-09-04T04:00:00+00:00** read a first time `reading-1`
- **2019-09-04T04:00:00+00:00** referred to Committee on Natural Resources and Outdoor Recreation `referral-committee`
- **2019-10-08T04:00:00+00:00** referred to Committee on Ways and Means `referral-committee`
- **2019-10-15T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2019-10-15T04:00:00+00:00** referred to second reading
- **2019-10-23T04:00:00+00:00** read a second time `reading-2`
- **2019-10-23T04:00:00+00:00** placed on third reading
- **2019-10-29T04:00:00+00:00** read a third time `reading-3`
- **2019-10-29T04:00:00+00:00** passed; given immediate effect Roll Call # 284 Yeas 109 Nays 0 Excused 0 Not Voting 1 `passage`
- **2019-10-29T04:00:00+00:00** inserted full title
- **2019-10-29T04:00:00+00:00** returned to Senate
- **2019-10-30T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2019-10-30T04:00:00+00:00** FULL TITLE AGREED TO
- **2019-10-30T04:00:00+00:00** ORDERED ENROLLED
- **2019-11-05T05:00:00+00:00** PRESENTED TO GOVERNOR 11/04/2019 02:15 PM `executive-receipt`
- **2019-11-20T05:00:00+00:00** APPROVED BY GOVERNOR 11/14/2019 01:43 PM `executive-signature`
- **2019-11-20T05:00:00+00:00** FILED WITH SECRETARY OF STATE 11/15/2019 09:26 AM
- **2019-11-20T05:00:00+00:00** ASSIGNED PA 0120'19 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a9034eb5-56ba-479a-a12b-b8100e1b2703`. Confidence: reported (aggregated from official Michigan legislature records).