---
type: "Bill"
title: "Hazardous substances: cleanups: milestones and contracting."
description: "Existing law authorizes the Department of Toxic Substances Control to undertake response or corrective actions under the hazardous waste control laws or the Carpenter-Presley-Tanner Hazardous Substance Account Act in response to a release or threatened release of hazardous substances."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20212022"
identifier: "AB 1024"
citation: "California AB 1024 (20212022)"
classification: ["bill"]
subjects: ["Hazardous substances: cleanups: milestones and contracting."]
status: "enacted"
primary_sponsors: ["Santiago"]
version_count: 8
action_count: 26
vote_count: 6
first_action: "2021-02-18"
last_action: "2021-10-04"
source: "openstates"
source_identifier: "ocd-bill/a234bc69-2d12-4ac0-98bd-8d89686e2c6e"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1024"
source_hash: "3c3a327fef2bc834083f1bf4bc35d052b2345e21cce631fce65c344cd292f4a6"
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-ca"]
---

# California AB 1024 (20212022) — Hazardous substances: cleanups: milestones and contracting.

Existing law authorizes the Department of Toxic Substances Control to undertake response or corrective actions under the hazardous waste control laws or the Carpenter-Presley-Tanner Hazardous Substance Account Act in response to a release or threatened release of hazardous substances.

## Version chain

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

1. **02/18/21 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102499INT)
2. **03/30/21 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102498AMD)
3. **05/24/21 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102497AMD)
4. **06/16/21 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102496AMD)
5. **07/08/21 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102495AMD)
6. **10/04/21 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102493CHP)
7. **AB1024** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1024)
8. **09/03/21 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1024&version=20210AB102494ENR)

## Votes

- Consent Calendar AB1024 — **39–0** (pass) · upper
- AB 1024 Santiago Concurrence in Senate Amendments — **77–0** (pass) · lower
- AB 1024 Santiago Assembly Third Reading — **79–0** (pass) · lower
- Do pass as amended. — **16–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **9–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **6–0** (pass) · upper

## Sponsors

- Santiago — primary (person)
- Archuleta — coauthor (person)
- Carrillo — coauthor (person)
- Cristina Garcia — coauthor (person)
- Durazo — coauthor (person)
- Gonzalez — principal coauthor (person)
- Jones-Sawyer — coauthor (person)
- Stone — coauthor (person)
- Wiener — coauthor (person)

## Timeline

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

- **2021-02-18** Read first time. To print. `reading-1`
- **2021-02-19** From printer. May be heard in committee March 21.
- **2021-03-04** Referred to Com. on E.S. & T.M. `referral-committee`
- **2021-03-30** From committee chair, with author's amendments: Amend, and re-refer to Com. on E.S. & T.M. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2021-04-05** Re-referred to Com. on E.S. & T.M. `referral-committee`
- **2021-04-07** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 9. Noes 0.) (April 7). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2021-04-28** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2021-05-20** From committee: Amend, and do pass as amended. (Ayes 16. Noes 0.) (May 20). `amendment-introduction, amendment-passage, committee-passage`
- **2021-05-24** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-1, reading-2`
- **2021-05-25** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2021-06-01** Read third time. Passed. Ordered to the Senate. (Ayes 79. Noes 0. Page 1780.) `passage, reading-1, reading-3`
- **2021-06-02** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2021-06-16** Referred to Com. on E.Q. `referral-committee`
- **2021-06-16** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2021-06-28** From committee: Do pass and re-refer to Com. on APPR with recommendation: To Consent Calendar. (Ayes 6. Noes 0. Page 1693.) (June 28). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2021-06-30** In committee: Hearing postponed by committee.
- **2021-07-08** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2021-07-15** From committee: Be ordered to second reading file pursuant to Senate Rule 28.8 and ordered to Consent Calendar. `committee-passage, reading-2`
- **2021-08-16** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2021-08-30** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 2238.). `passage, reading-1, reading-3`
- **2021-08-31** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 2 pursuant to Assembly Rule 77.
- **2021-09-01** Assembly Rule 77 suspended. (Ayes 58. Noes 17. Page 2625.)
- **2021-09-01** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 77. Noes 0. Page 2634.). `amendment-passage, committee-passage-favorable`
- **2021-09-08** Enrolled and presented to the Governor at 4:30 p.m.
- **2021-10-04** Approved by the Governor. `executive-signature`
- **2021-10-04** Chaptered by Secretary of State - Chapter 474, Statutes of 2021. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a234bc69-2d12-4ac0-98bd-8d89686e2c6e`. Confidence: reported (aggregated from official California legislature records).