---
type: "Bill"
title: "Oil spill prevention and response."
description: "Oil spill prevention and response."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20072008"
identifier: "AB 2031"
citation: "California AB 2031 (20072008)"
classification: ["bill"]
subjects: ["Oil spill prevention and response."]
status: "enacted"
primary_sponsors: ["Hancock"]
version_count: 9
action_count: 27
vote_count: 10
first_action: "2008-02-15"
last_action: "2008-09-29"
source: "openstates"
source_identifier: "ocd-bill/128b862c-3912-44bb-95ed-9cbf5067d693"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB2031"
source_hash: "003c1c55f5a31d3c2cf112ae28e50bb4fb6002d21ac66cc7633ebaad109cebc0"
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 2031 (20072008) — Oil spill prevention and response.

## Version chain

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

1. **02/15/08 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203199INT)
2. **05/23/08 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203198AMD)
3. **06/18/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203197AMD)
4. **07/01/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203196AMD)
5. **08/12/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203195AMD)
6. **08/18/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203194AMD)
7. **09/29/08 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203192CHP)
8. **AB2031** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB2031)
9. **09/03/08 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB2031&version=20070AB203193ENR)

## Votes

- AB 2031 HANCOCK Concurrence in Senate Amendments — **pass** (pass) · lower
- Assembly 3rd Reading AB2031 Hancock By Migden — **pass** (pass) · upper
- Do pass as amended, and re-refer to the Committee on Environmental Quality. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Governmental Organization. — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · lower
- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- AB 2031 HANCOCK Assembly Third Reading — **pass** (pass) · lower

## Sponsors

- Hancock — primary (person)
- Beall — coauthor (person)
- Coto — coauthor (person)
- DeSaulnier — coauthor (person)
- Huffman — coauthor (person)
- Leno — coauthor (person)
- Lieber — coauthor (person)
- Mullin — coauthor (person)
- Ruskin — coauthor (person)
- Silva — coauthor (person)
- Swanson — coauthor (person)
- Torrico — coauthor (person)
- Wolk — coauthor (person)

## Timeline

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

- **2008-02-15** Read first time. To print. `reading-1`
- **2008-02-19** From printer. May be heard in committee March 20.
- **2008-02-28** Referred to Standing Committee on Natural Resources and Standing Committee on Governmental Organization. `referral-committee`
- **2008-04-08** From committee: Do pass, and re-refer to Standing Committee on Governmental Organization Re-referred. (Ayes 9. Noes 0.) (April 7). `committee-passage, committee-passage-favorable, referral-committee`
- **2008-04-17** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 13. Noes 0.) (April 16). `committee-passage, committee-passage-favorable, referral-committee`
- **2008-04-30** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2008-05-23** From committee: Amend, and do pass as amended. (Ayes 17. Noes 0.) (May 22). Read second time and amended. Ordered returned to second reading. `reading-1, reading-2, amendment-introduction, committee-passage, amendment-passage`
- **2008-05-27** Read second time. To third reading. `reading-1, reading-2`
- **2008-05-28** Read third time, passed, and to Senate. (Ayes 79. Noes 0. Page 5463.) `passage, reading-1, reading-3`
- **2008-05-29** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2008-06-05** Referred to Standing Committee on Natural Resources And Water and Standing Committee on Environmental Quality. `referral-committee`
- **2008-06-17** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Environmental Quality (Ayes 8. Noes 0.) . `amendment-introduction, committee-passage, amendment-passage, referral-committee`
- **2008-06-18** Read second time, amended, and re-referred to Standing Committee on Environmental Quality. `reading-2, reading-1, amendment-passage, referral-committee`
- **2008-06-30** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 7. Noes 0.) . `amendment-introduction, committee-passage, amendment-passage, referral-committee`
- **2008-07-01** Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-2, reading-1, amendment-passage, referral-committee`
- **2008-08-04** In committee: Placed on Appropriations suspense file.
- **2008-08-11** From committee: Amend, and do pass as amended. (Ayes 15. Noes 0.) . `amendment-introduction, committee-passage, amendment-passage`
- **2008-08-12** Read second time, amended, and to third reading. `reading-1, reading-2, amendment-passage`
- **2008-08-18** Read third time, amended. To second reading. `reading-1, reading-3, amendment-passage`
- **2008-08-19** Read second time. To third reading. `reading-1, reading-2`
- **2008-08-22** Read third time, passed, and to Assembly. (Ayes 36. Noes 0. Page 5324.) `passage, reading-1, reading-3`
- **2008-08-27** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 29 pursuant to Assembly Rule 77.
- **2008-08-28** Assembly Rule 77 suspended. (Page 6912.)
- **2008-08-28** Senate amendments concurred in. To enrollment. (Ayes 77. Noes 0. Page 6913.) `committee-passage-favorable, amendment-passage`
- **2008-09-18** Enrolled and to the Governor at 11 a.m.
- **2008-09-28** Approved by the Governor. `executive-signature`
- **2008-09-29** Chaptered by Secretary of State - Chapter 563, Statutes of 2008.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/128b862c-3912-44bb-95ed-9cbf5067d693`. Confidence: reported (aggregated from official California legislature records).