---
type: "Bill"
title: "Hazardous materials: enforcement."
description: "Hazardous materials: enforcement."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 1640"
citation: "California AB 1640 (20032004)"
classification: ["bill"]
subjects: ["Hazardous materials: enforcement."]
status: "enacted"
primary_sponsors: ["Laird"]
version_count: 8
action_count: 24
vote_count: 6
first_action: "2003-02-21"
last_action: "2003-10-09"
source: "openstates"
source_identifier: "ocd-bill/d71a8a50-5f53-4e51-a8eb-c9b310427e9f"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB1640"
source_hash: "99a0db4f7a62d4d2941f7936f2213ab45692602b7e9231e9128b833bf22fb781"
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 1640 (20032004) — Hazardous materials: enforcement.

## Version chain

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

1. **02/21/03 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164099INT)
2. **05/07/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164098AMD)
3. **06/30/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164097AMD)
4. **08/18/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164096AMD)
5. **09/08/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164095AMD)
6. **10/09/03 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164093CHP)
7. **AB1640** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB1640)
8. **09/11/03 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1640&version=20030AB164094ENR)

## Votes

- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass. — **pass** (pass) · lower
- ab 1640 laird concurrence in senate amendments — **pass** (pass) · lower
- assembly 3rd reading ab1640 laird by sher — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- ab 1640 laird assembly third reading — **pass** (pass) · lower

## Sponsors

- Laird — primary (person)

## Timeline

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

- **2003-10-09** Chaptered by Secretary of State - Chapter 696, Statutes of 2003.
- **2003-10-08** Approved by the Governor. `executive-signature`
- **2003-09-23** Enrolled and to the Governor at 3 p.m.
- **2003-09-11** Senate amendments concurred in. To enrollment. (Ayes 48. Noes 31. Page 3817.) `committee-passage-favorable, amendment-passage`
- **2003-09-10** In Assembly. Concurrence in Senate amendments pending.
- **2003-09-09** Read third time, passed, and to Assembly. (Ayes 25. Noes 13. Page 2433.) `reading-3, passage, reading-1`
- **2003-09-08** Read third time, amended, and returned to third reading. `reading-3, amendment-passage, reading-1`
- **2003-08-20** Read second time. To third reading. `reading-2, reading-1`
- **2003-08-19** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2003-08-18** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-07-08** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 7. Noes 0.). `committee-passage-favorable, referral-committee, committee-passage`
- **2003-06-30** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on ENV. QUAL. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-06-16** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2003-06-12** Referred to Com. on ENV. QUAL. `referral-committee`
- **2003-06-03** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2003-06-02** Read third time, passed, and to Senate. (Ayes 48. Noes 32. Page 2082.) `reading-3, passage, reading-1`
- **2003-05-29** From committee: Do pass. (Ayes 18. Noes 7.) (May 28). Read second time. To third reading. `committee-passage-favorable, reading-2, committee-passage, reading-1`
- **2003-05-08** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2003-05-07** Read second time and amended. `reading-2, amendment-passage, reading-1`
- **2003-05-06** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 5. Noes 2.) (April 29). `referral-committee, amendment-passage, amendment-introduction, committee-passage`
- **2003-03-20** Referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2003-02-24** Read first time. `reading-1`
- **2003-02-23** From printer. May be heard in committee March 25.
- **2003-02-21** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d71a8a50-5f53-4e51-a8eb-c9b310427e9f`. Confidence: reported (aggregated from official California legislature records).