---
type: "Bill"
title: "alkaline hydrolysis; facilities; operators; licensure"
description: "alkaline hydrolysis; facilities; operators; licensure"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "55th-2nd-regular"
identifier: "HB 2024"
citation: "Arizona HB 2024 (55th-2nd-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Michelle Udall"]
version_count: 6
action_count: 15
vote_count: 4
first_action: "2021-12-28"
last_action: "2022-05-27"
source: "openstates"
source_identifier: "ocd-bill/af03a873-91d7-4c19-8baf-f43da6a75345"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/76329?SessionId=125"
source_hash: "f622514a62966193c469d84d906c7082a0e23d67d783503fcefca0d5c95d6a53"
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-az"]
---

# Arizona HB 2024 (55th-2nd-regular) — alkaline hydrolysis; facilities; operators; licensure

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/laws/0257.pdf)
2. **HOUSE - Amended by HHS - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/495445)
3. **HOUSE - Floor Amend to Bill - Udall - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/495444)
4. **HOUSE - Health & Human Services** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/adopted/h.2024health  human services.pdf)
5. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/bills/hb2024h.pdf)
6. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/bills/hb2024p.pdf)

## Votes

- Passed — **51–8** (pass) · lower
- do pass amended — **0–0** (fail) · lower
- do pass — **0–0** (fail) · upper
- Passed — **23–3** (pass) · upper

## Sponsors

- Michelle Udall — primary (person)

## Timeline

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

- **2021-12-28** Prefiled. `filing`
- **2022-01-12** House First Reading. `reading-1`
- **2022-01-13** House Second Reading `reading-2`
- **2022-01-31** DPA `amendment-passage`
- **2022-02-23** DPA `amendment-passage`
- **2022-02-23** PASSED `passage, reading-3`
- **2022-02-24** Transmit to Senate
- **2022-02-28** Senate First Reading `reading-1`
- **2022-03-01** Senate Second Reading `reading-2`
- **2022-03-23** DP `committee-passage`
- **2022-05-25** DP `passage`
- **2022-05-25** PASSED `passage, reading-3`
- **2022-05-25** Transmit to House
- **2022-05-26** Transmit to Governor `executive-receipt`
- **2022-05-27** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/af03a873-91d7-4c19-8baf-f43da6a75345`. Confidence: reported (aggregated from official Arizona legislature records).