---
type: "Bill"
title: "ENVIRONMENT/HAZ MATERIAL: Modifies definitions relative to hazardous materials reporting under the Right-to-Know Law (EN NO IMPACT See Note)"
description: "ENVIRONMENT/HAZ MATERIAL: Modifies definitions relative to hazardous materials reporting under the Right-to-Know Law (EN NO IMPACT See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2021"
identifier: "HB 549"
citation: "Louisiana HB 549 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Danny McCormick"]
version_count: 4
action_count: 20
vote_count: 2
first_action: "2021-04-02"
last_action: "2021-06-14"
source: "openstates"
source_identifier: "ocd-bill/e8cd6674-3961-48e0-9839-e8fdddc879db"
source_url: "http://www.legis.la.gov/Legis/BillInfo.aspx?i=240511"
source_hash: "139f5421b98a13b02e789a97652e70aab77698e69740a55cf93e23ae615cfc01"
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-la"]
---

# Louisiana HB 549 (2021) — ENVIRONMENT/HAZ MATERIAL: Modifies definitions relative to hazardous materials reporting under the Right-to-Know Law (EN NO IMPACT See Note)

## Version chain

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

1. **HB549 Original** (filed) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1211911)
2. **HB549 Act** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1235327)
3. **HB549 Engrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1216533)
4. **HB549 Enrolled** (enrolled) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1231329)

## Votes

- FINAL PASSAGE (#166) — **97–0** (pass) · lower
- FINAL PASSAGE (#685) — **35–1** (pass) · upper

## Sponsors

- Danny McCormick — primary (person)

## Timeline

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

- **2021-06-14** Effective date: 08/01/2021.
- **2021-06-14** Signed by the Governor. Becomes Act No. 246. `executive-signature`
- **2021-06-08** Sent to the Governor for executive approval. `executive-receipt`
- **2021-06-06** Signed by the President of the Senate on 6/3/2021.
- **2021-06-03** Enrolled and signed by the Speaker of the House.
- **2021-06-03** Received from the Senate without amendments.
- **2021-06-02** Read by title, passed by a vote of 35 yeas and 1 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2021-05-20** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage.
- **2021-05-19** Read by title and referred to the Legislative Bureau.
- **2021-05-18** Reported favorably.
- **2021-05-05** Read second time by title and referred to the Committee on Environmental Quality. `referral-committee`
- **2021-05-04** Received in the Senate. Read first time by title and placed on the Calendar for a second reading.
- **2021-05-03** Read third time by title, roll called on final passage, yeas 97, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2021-04-27** Scheduled for floor debate on 05/03/2021.
- **2021-04-27** Read by title, ordered engrossed, passed to 3rd reading.
- **2021-04-26** Reported favorably (14-0).
- **2021-04-12** Read by title, under the rules, referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2021-04-02** First appeared in the Interim Calendar on 4/2/2021.
- **2021-04-02** Under the rules, provisionally referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2021-04-02** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e8cd6674-3961-48e0-9839-e8fdddc879db`. Confidence: reported (aggregated from official Louisiana legislature records).