---
type: "Bill"
title: "Air resources."
description: "Air resources."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 2939"
citation: "California AB 2939 (19992000)"
classification: ["bill"]
subjects: ["Air resources."]
status: "enacted"
primary_sponsors: ["Committee on Natural Resources"]
version_count: 7
action_count: 25
vote_count: 7
first_action: "2000-03-28"
last_action: "2000-09-29"
source: "openstates"
source_identifier: "ocd-bill/5f041f7a-0ed4-4369-b7d2-36b27c76ff8e"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2939"
source_hash: "c9eb4ebb906ef14271a6f991ab3082c32965edd99b94633df84fae6958666de9"
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 2939 (19992000) — Air resources.

## Version chain

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

1. **03/28/00 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293999INT)
2. **05/16/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293998AMD)
3. **08/08/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293997AMD)
4. **08/22/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293996AMD)
5. **09/29/00 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293994CHP)
6. **AB2939** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB2939)
7. **08/28/00 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB2939&version=19990AB293995ENR)

## Votes

- SPEC. CONSENT CALENDAR SECOND DAY CONCURRENCE — **pass** (pass) · lower
- SPECIAL CONSENT CALE AB2939 Committee on Nat. Res. (Wayne) By Bowen — **pass** (pass) · upper
- CONSENT CALENDAR SECOND DAY — **pass** (pass) · lower
- Consent Calendar 2nd AB2939 Committee on Nat. Res. (Wayne) — **pass** (pass) · upper
- Do pass as amended, to Consent Calendar. — **pass** (pass) · lower
- AB 2939 NAT. RES. CONSENT CALENDAR SECOND DAY — **pass** (pass) · lower
- Do pass as amended. To Consent Calendar. — **pass** (pass) · upper

## Sponsors

- Committee on Natural Resources — primary (person)

## Timeline

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

- **2000-09-29** Chaptered by Secretary of State - Chapter 890, Statutes of 2000.
- **2000-09-28** Approved by the Governor. `executive-signature`
- **2000-09-12** Enrolled and to the Governor at 10 a.m.
- **2000-08-29** Senate amendments concurred in. To enrollment. (Ayes 77. Noes 0. Page 8651.) `committee-passage-favorable, amendment-passage`
- **2000-08-25** In Assembly. Concurrence in Senate amendments pending. Assembly Rule 77 suspended. Ordered to Special Consent Calendar.
- **2000-08-25** Read third time, passed, and to Assembly. (Ayes 40. Noes 0. Page 6036.) `passage, reading-3, reading-1`
- **2000-08-23** Read second time. To third reading. `reading-2, reading-1`
- **2000-08-22** Action rescinded whereby the bill was read third time, passed, and to Assembly. Read third time, amended. To second reading. `amendment-passage, reading-3, passage, reading-1`
- **2000-08-18** In Senate. Held at Desk.
- **2000-08-18** From Consent Calendar. Ordered returned to Senate.
- **2000-08-10** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 12 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar.
- **2000-08-10** Read third time, passed, and to Assembly. (Ayes 38. Noes 0. Page 5704.) `passage, reading-3, reading-1`
- **2000-08-08** Read second time, amended, and to Consent Calendar. `amendment-passage, reading-2, reading-1`
- **2000-08-07** From committee: Amend, and do pass as amended. To Consent Calendar. `committee-passage, amendment-introduction, amendment-passage`
- **2000-06-15** In committee: Hearing postponed by committee.
- **2000-06-08** Withdrawn from committee. Re-referred to Com. on ENV. QUAL. `referral-committee`
- **2000-06-01** Referred to Standing Committee on Rules. `referral-committee`
- **2000-05-22** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2000-05-22** Read third time, passed, and to Senate. (Ayes 76. Noes 0. Page 6520.) `passage, reading-3, reading-1`
- **2000-05-17** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2000-05-16** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-2, reading-1`
- **2000-05-15** From committee: Amend, and do pass as amended. To Consent Calendar. (May 8). `committee-passage, amendment-introduction, amendment-passage`
- **2000-04-03** Referred to Standing Committee on Natural Resources. `referral-committee`
- **2000-03-29** From printer. May be heard in committee April 28.
- **2000-03-28** 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/5f041f7a-0ed4-4369-b7d2-36b27c76ff8e`. Confidence: reported (aggregated from official California legislature records).