---
type: "Bill"
title: "School facilities: contamination."
description: "School facilities: contamination."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 2644"
citation: "California AB 2644 (19992000)"
classification: ["bill"]
subjects: ["School facilities: contamination."]
status: "enacted"
primary_sponsors: ["Calderon"]
version_count: 10
action_count: 29
vote_count: 7
first_action: "2000-02-25"
last_action: "2000-09-14"
source: "openstates"
source_identifier: "ocd-bill/02654ed8-9bda-4f23-bcf6-f2e720215cab"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2644"
source_hash: "ea95ae6188361e7edc2412744bdacd434bd0adaa67b2bb7b7b90c1498726b2e8"
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 2644 (19992000) — School facilities: contamination.

## Version chain

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

1. **02/25/00 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264499INT)
2. **04/11/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264498AMD)
3. **05/03/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264497AMD)
4. **06/26/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264496AMD)
5. **06/28/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264495AMD)
6. **08/08/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264494AMD)
7. **08/18/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264493AMD)
8. **09/14/00 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264491CHP)
9. **AB2644** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2644)
10. **08/29/00 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2644&version=19990AB264492ENR)

## Votes

- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Senate amendments be concurred in. — **pass** (pass) · lower
- SPECIAL CONSENT CALE AB2644 Calderon By O'Connell — **pass** (pass) · upper
- CONSENT CALENDAR SECOND DAY — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- AB 2644 CALDERON CONCURRENCE — **pass** (pass) · lower

## Sponsors

- Calderon — primary (person)

## Timeline

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

- **2000-09-14** Chaptered by Secretary of State - Chapter 443, Statutes of 2000.
- **2000-09-12** Approved by the Governor. `executive-signature`
- **2000-09-11** Enrolled and to the Governor at 9:30 a.m.
- **2000-08-29** Urgency clause adopted. Senate amendments concurred in. To enrollment. (Ayes 76. Noes 0. Page 8549.) `committee-passage-favorable, amendment-passage`
- **2000-08-28** From committee: With recommendation: That Senate amendments be concurred in. (Ayes 8. Noes 0.) (August 25). `committee-passage`
- **2000-08-25** Joint Rule 62(a), file notice waived. (Page 8334.)
- **2000-08-24** Re-referred to Standing Committee on Environmental Safety and Toxic Materials pursuant to Assembly Rule 77.2. Joint Rule 62(a), file notice waived. (Page 8212.). `referral-committee`
- **2000-08-22** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 24 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar. Assembly Rule 77 suspended.
- **2000-08-22** Read third time. Urgency clause adopted. Passed and to Assembly. (Ayes 39. Noes 0. Page 5874.) `passage, reading-3, reading-1`
- **2000-08-18** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and be amended. Read second time, amended, and to third reading. `committee-passage, amendment-passage, reading-2, reading-1`
- **2000-08-08** Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-passage, reading-2, reading-1, referral-committee`
- **2000-08-07** From committee: Amend, and do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 10. Noes 0.). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **2000-06-28** 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. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-06-26** 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. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-06-15** In committee: Hearing postponed by committee.
- **2000-06-06** Referred to Com. on ENV. QUAL. `referral-committee`
- **2000-05-25** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2000-05-25** Read third time, passed, and to Senate. (Ayes 74. Noes 0. Page 6589.) `passage, reading-3, reading-1`
- **2000-05-22** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2000-05-18** From committee: Do pass. To Consent Calendar. (May 17). `committee-passage, committee-passage-favorable`
- **2000-05-09** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2000-05-03** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2000-05-02** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 9. Noes 0.) (April 25). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **2000-04-13** Re-referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2000-04-11** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Environmental Safety and Toxic Materials Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-04-10** Referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2000-02-28** Read first time. `reading-1`
- **2000-02-27** From printer. May be heard in committee March 28.
- **2000-02-25** Assembly Rule 49(a) suspended. 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/02654ed8-9bda-4f23-bcf6-f2e720215cab`. Confidence: reported (aggregated from official California legislature records).