republic-os/legislation/us/states/ca/20092010/ab-1674.md

---
type: "Bill"
title: "Hazardous substances: storage tanks."
description: "(1) Existing law generally regulates the storage of hazardous substances in underground storage tanks, including imposing certain requirements on those underground storage tanks installed on or after July 1, 2003, and before July 1, 2004, or on or after July 1, 2004. Existing law exempts from the underground storage tank requirements an underground storage tank that meets all of the specified criteria, one of which is that the applicable local agency determines, without objection from the State Water Resources Control Board, that the underground storage tank meets or exceeds the requirements generally imposed on underground storage tanks under existing law."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 1674"
citation: "California AB 1674 (20092010)"
classification: ["bill"]
subjects: ["Hazardous substances: storage tanks."]
status: "enacted"
primary_sponsors: ["Saldana"]
version_count: 8
action_count: 29
vote_count: 6
first_action: "2010-01-20"
last_action: "2010-09-29"
source: "openstates"
source_identifier: "ocd-bill/5a141f9c-f637-4003-9d3d-16f4cd8bab8d"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1674"
source_hash: "b9d0293d94b1a8323742ab69a14f6d5599d31c3a3cb4a15525741d2b097dec66"
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 1674 (20092010) — Hazardous substances: storage tanks.

(1) Existing law generally regulates the storage of hazardous substances in underground storage tanks, including imposing certain requirements on those underground storage tanks installed on or after July 1, 2003, and before July 1, 2004, or on or after July 1, 2004. Existing law exempts from the underground storage tank requirements an underground storage tank that meets all of the specified criteria, one of which is that the applicable local agency determines, without objection from the State Water Resources Control Board, that the underground storage tank meets or exceeds the requirements generally imposed on underground storage tanks under existing law.

## Version chain

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

1. **01/20/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167499INT)
2. **04/21/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167498AMD)
3. **06/22/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167497AMD)
4. **08/02/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167496AMD)
5. **08/11/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167495AMD)
6. **09/29/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167493CHP)
7. **AB1674** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1674)
8. **08/25/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1674&version=20090AB167494ENR)

## Votes

- Assembly 3rd Reading AB1674 Saldana By Lowenthal — **pass** (pass) · upper
- AB 1674 SALDANA Assembly Third Reading — **pass** (pass) · lower
- Do pass. — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- AB 1674 SALDANA Concurrence in Senate Amendments — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Saldana — primary (person)

## Timeline

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

- **2010-01-20** Read first time. To print. `reading-1`
- **2010-01-21** From printer. May be heard in committee February 20.
- **2010-01-27** Referred to Com. on E.S. & T.M. `referral-committee`
- **2010-03-23** In committee: Hearing postponed by committee.
- **2010-04-20** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (April 13). `amendment-introduction, amendment-passage, committee-passage`
- **2010-04-21** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2010-04-22** Re-referred to Com. on APPR. `referral-committee`
- **2010-05-06** From committee: Do pass. (Ayes 16. Noes 0.) (May 5). `committee-passage-favorable, committee-passage`
- **2010-05-10** Read second time. To third reading. `reading-2, reading-1`
- **2010-05-13** Read third time, passed, and to Senate. (Ayes 68. Noes 4. Page 5139.) `reading-3, passage, reading-1`
- **2010-05-13** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-05-27** Referred to Com. on EQ. `referral-committee`
- **2010-06-02** In committee: Hearing postponed by committee.
- **2010-06-21** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (June 14). `amendment-introduction, amendment-passage, committee-passage`
- **2010-06-22** Read second time and amended. Re-referred to Com. on APPR. `reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-02** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-02** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2010-08-03** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-11** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-11** (Corrected August 12.)
- **2010-08-12** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-23** Read third time, passed, and to Assembly. (Ayes 32. Noes 3. Page 4769.) `reading-3, passage, reading-1`
- **2010-08-23** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 25 pursuant to Assembly Rule 77.
- **2010-08-24** Assembly Rule 77 suspended. (Page 6558.)
- **2010-08-24** Passed on file.
- **2010-08-25** Senate amendments concurred in. To enrollment. (Ayes 66. Noes 8. Page 6630.) `amendment-passage, committee-passage-favorable`
- **2010-08-30** Enrolled and to the Governor at 10:55 a.m.
- **2010-09-29** Approved by the Governor. `executive-signature`
- **2010-09-29** Chaptered by Secretary of State - Chapter 535, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5a141f9c-f637-4003-9d3d-16f4cd8bab8d`. Confidence: reported (aggregated from official California legislature records).