---
type: "Bill"
title: "Polycyclic aromatic hydrocarbon exposure: baseline health study."
description: "Polycyclic aromatic hydrocarbon exposure: baseline health study."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 2264"
citation: "California AB 2264 (19992000)"
classification: ["bill"]
subjects: ["Polycyclic aromatic hydrocarbon exposure: baseline health study."]
status: "enacted"
primary_sponsors: ["Cedillo"]
version_count: 10
action_count: 27
vote_count: 8
first_action: "2000-02-24"
last_action: "2000-09-19"
source: "openstates"
source_identifier: "ocd-bill/03aba99a-c70a-4b35-9fb4-d00b64e7d7d1"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2264"
source_hash: "c823e52c4ae9f2edd1524d5a9683850fbea05364375a672fe6ca1949d1b172af"
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 2264 (19992000) — Polycyclic aromatic hydrocarbon exposure: baseline health study.

## Version chain

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

1. **02/24/00 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226499INT)
2. **04/10/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226498AMD)
3. **05/26/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226497AMD)
4. **06/15/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226496AMD)
5. **06/22/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226495AMD)
6. **08/07/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226494AMD)
7. **08/25/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226493AMD)
8. **09/19/00 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226491CHP)
9. **AB2264** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2264)
10. **08/29/00 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2264&version=19990AB226492ENR)

## Votes

- Do pass as amended. — **pass** (pass) · lower
- AB 2264 CEDILLO THIRD READING — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- AB 2264 CEDILLO CONCURRENCE URGENCY ADDED — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Assembly 3rd Reading AB2264 Cedillo Escutia — **pass** (pass) · upper

## Sponsors

- Cedillo — primary (person)
- Alarcon — principal coauthor (person)
- Wildman — coauthor (person)

## Timeline

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

- **2000-09-19** Chaptered by Secretary of State - Chapter 503, Statutes of 2000.
- **2000-09-17** Approved by the Governor. `executive-signature`
- **2000-09-08** Enrolled and to the Governor at 10:45 a.m.
- **2000-08-29** Assembly Rule 77 suspended. Senate amendments concurred in. To enrollment. (Ayes 58. Noes 16. Page 8626.) `committee-passage-favorable, amendment-passage`
- **2000-08-28** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 30 pursuant to Assembly Rule 77.
- **2000-08-28** Read third time. Urgency clause adopted. Passed and to Assembly. (Ayes 31. Noes 3. Page 6141.) `passage, reading-3, reading-1`
- **2000-08-25** From committee: Amend, and do pass as amended. (Ayes 9. Noes 2.). Read second time and amended. Ordered to third reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **2000-08-22** Joint Rule 61 (b)(14) suspended.
- **2000-08-15** In committee: Placed on Appropriations suspense file.
- **2000-08-07** 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. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-07-06** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 5. Noes 1.) (July 5). `committee-passage, committee-passage-favorable, referral-committee`
- **2000-06-22** (Corrected June 21. )
- **2000-06-22** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on H. & H.S. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-06-15** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on H. & H.S. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-06-08** Referred to Com. on H. & H.S. `referral-committee`
- **2000-06-01** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2000-05-31** Read third time, passed, and to Senate. (Ayes 58. Noes 18. Page 6880.) `passage, reading-3, reading-1`
- **2000-05-30** Read second time. To third reading. `reading-2, reading-1`
- **2000-05-26** From committee: Amend, and do pass as amended. (Ayes 15. Noes 6.) (May 24). Read second time and amended. Ordered returned to second reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **2000-04-26** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2000-04-12** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 13. Noes 0.) (April 11). `committee-passage, committee-passage-favorable, referral-committee`
- **2000-04-11** Re-referred to Standing Committee on Health. `referral-committee`
- **2000-04-10** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Health. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-04-04** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2000-03-16** Referred to Standing Committee on Health. `referral-committee`
- **2000-02-25** From printer. May be heard in committee March 26.
- **2000-02-24** Assembly Rule 49(a) suspended. Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/03aba99a-c70a-4b35-9fb4-d00b64e7d7d1`. Confidence: reported (aggregated from official California legislature records).