---
type: "Bill"
title: "Air quality element: San Joaquin Valley."
description: "Air quality element: San Joaquin Valley."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 170"
citation: "California AB 170 (20032004)"
classification: ["bill"]
subjects: ["Air quality element: San Joaquin Valley."]
status: "enacted"
primary_sponsors: ["Reyes"]
version_count: 12
action_count: 30
vote_count: 8
first_action: "2003-01-23"
last_action: "2003-09-22"
source: "openstates"
source_identifier: "ocd-bill/c024b9e3-e307-4c60-b80e-1dffd04a0ddf"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB170"
source_hash: "2262ce61052e791fd7b448fbc159a60e9c0f33010306419374708c73192b788e"
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 170 (20032004) — Air quality element: San Joaquin Valley.

## Version chain

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

1. **01/23/03 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17099INT)
2. **04/28/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17098AMD)
3. **05/13/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17097AMD)
4. **05/23/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17096AMD)
5. **06/19/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17095AMD)
6. **06/25/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17094AMD)
7. **07/08/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17093AMD)
8. **09/02/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17092AMD)
9. **09/04/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17091AMD)
10. **09/22/03 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17089CHP)
11. **AB170** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB170)
12. **09/10/03 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB170&version=20030AB17090ENR)

## Votes

- ab 170 reyes concurrence in senate amendments — **pass** (pass) · lower
- do pass as amended. — **pass** (pass) · lower
- do pass as amended. — **pass** (pass) · upper
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- assembly 3rd reading ab170 reyes by florez — **pass** (pass) · upper
- ab 170 reyes assembly third reading — **pass** (pass) · lower
- placed on appropriations suspense file. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Reyes — primary (person)

## Timeline

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

- **2003-09-22** Chaptered by Secretary of State - Chapter 472, Statutes of 2003.
- **2003-09-22** Approved by the Governor. `executive-signature`
- **2003-09-11** Enrolled and to the Governor at 6:15 p.m.
- **2003-09-10** Assembly Rule 77 suspended. (Ayes 46. Noes 30. Page 3717.) Senate amendments concurred in. To enrollment. (Ayes 46. Noes 33. Page 3730.) `committee-passage-favorable, amendment-passage`
- **2003-09-09** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 11 pursuant to Assembly Rule 77.
- **2003-09-09** Read third time, passed, and to Assembly. (Ayes 25. Noes 15. Page 2421.) `reading-3, passage, reading-1`
- **2003-09-08** Read second time. To third reading. `reading-2, reading-1`
- **2003-09-04** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2003-09-02** Read second time, amended, and to third reading. `reading-2, amendment-passage, reading-1`
- **2003-08-29** From committee: Amend, and do pass as amended. (Ayes 7. Noes 5.). `amendment-introduction, amendment-passage, committee-passage`
- **2003-08-18** In committee: Placed on Appropriations suspense file.
- **2003-07-08** Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-2, referral-committee, amendment-passage, reading-1`
- **2003-07-07** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 4. Noes 3.). `referral-committee, amendment-passage, amendment-introduction, committee-passage`
- **2003-06-25** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Local Government. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-06-19** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Local Government. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-06-12** Referred to Standing Committee on Local Government. `referral-committee`
- **2003-05-29** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2003-05-29** Read third time, passed, and to Senate. (Ayes 46. Noes 32. Page 1951.) `reading-3, passage, reading-1`
- **2003-05-27** Read second time. To third reading. `reading-2, reading-1`
- **2003-05-23** Read second time and amended. Ordered returned to second reading. `reading-2, amendment-passage, reading-1`
- **2003-05-22** From committee: Amend, and do pass as amended. (Ayes 18. Noes 7.) (May 21). `amendment-introduction, amendment-passage, committee-passage`
- **2003-05-14** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2003-05-13** Read second time and amended. `reading-2, amendment-passage, reading-1`
- **2003-05-12** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 2.) (May 7). `referral-committee, amendment-passage, amendment-introduction, committee-passage`
- **2003-05-01** Joint Rule 61(a)(2) suspended. (Standing Committee on Local Government) (Ayes 77. Noes 0. Page 1379.).
- **2003-04-29** Re-referred to Standing Committee on Local Government. `referral-committee`
- **2003-04-28** Withdrawn from committee. Re-referred to Standing Committee on Local Government (Ayes 47. Noes 31. Page 1307.) From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Local Government Read second time and amended. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-01-30** Referred to Standing Committee on Business, Professions and Consumer Protection. `referral-committee`
- **2003-01-24** From printer. May be heard in committee February 23.
- **2003-01-23** 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/c024b9e3-e307-4c60-b80e-1dffd04a0ddf`. Confidence: reported (aggregated from official California legislature records).