republic-os/legislation/us/states/ca/20092010/ab-1963.md

---
type: "Bill"
title: "Pesticide poisoning."
description: "Existing law establishes standards for the handling and use of pesticides and for determining the hazards posed by pesticides to worker safety. Existing law imposes various reporting requirements on physicians and local health officers when there are known or suspected instances of pesticide poisoning. Under existing law, worker reentry into areas treated by pesticides determined to be hazardous to worker safety may be restricted by whether pesticide residue levels on treated plants are determined by scientific analysis not to be a significant factor in cholinesterase depression or other health effects."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 1963"
citation: "California AB 1963 (20092010)"
classification: ["bill"]
subjects: ["Pesticide poisoning."]
status: "enacted"
primary_sponsors: ["Nava"]
version_count: 9
action_count: 28
vote_count: 9
first_action: "2010-02-17"
last_action: "2010-09-27"
source: "openstates"
source_identifier: "ocd-bill/2bdda3ba-533e-4f63-afa4-1152d6728e37"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1963"
source_hash: "37c0d1875febe447fb4123d1480045c6c59db0cd5bd0c991c07b3bd303579a83"
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 1963 (20092010) — Pesticide poisoning.

Existing law establishes standards for the handling and use of pesticides and for determining the hazards posed by pesticides to worker safety. Existing law imposes various reporting requirements on physicians and local health officers when there are known or suspected instances of pesticide poisoning. Under existing law, worker reentry into areas treated by pesticides determined to be hazardous to worker safety may be restricted by whether pesticide residue levels on treated plants are determined by scientific analysis not to be a significant factor in cholinesterase depression or other health effects.

## Version chain

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

1. **02/17/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196399INT)
2. **04/13/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196398AMD)
3. **04/27/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196397AMD)
4. **06/21/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196396AMD)
5. **07/15/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196395AMD)
6. **08/04/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196394AMD)
7. **09/27/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196392CHP)
8. **AB1963** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1963)
9. **09/01/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1963&version=20090AB196393ENR)

## Votes

- Do pass and be re-referred to the Committee on Health. — **pass** (pass) · lower
- Do pass as amended 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
- AB 1963 NAVA Concurrence in Senate Amendments — **pass** (pass) · lower
- Assembly 3rd Reading AB1963 Nava By Yee — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- AB 1963 NAVA Assembly Third Reading — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Rules. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower

## Sponsors

- Nava — primary (person)

## Timeline

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

- **2010-02-17** Read first time. To print. `reading-1`
- **2010-02-18** From printer. May be heard in committee March 20.
- **2010-03-18** Referred to Coms. on E.S. & T.M. and HEALTH. `referral-committee`
- **2010-04-06** From committee: Do pass, and re-refer to Com. on HEALTH. Re-referred. (Ayes 5. Noes 1.) (April 6). `committee-passage-favorable, committee-passage`
- **2010-04-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on HEALTH. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-04-14** Re-referred to Com. on HEALTH. `referral-committee`
- **2010-04-26** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 12. Noes 5.) (April 20). `amendment-introduction, amendment-passage, committee-passage`
- **2010-04-27** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2010-04-28** Re-referred to Com. on APPR. `referral-committee`
- **2010-05-13** From committee: Do pass. (Ayes 11. Noes 5.) (May 12). `committee-passage-favorable, committee-passage`
- **2010-05-17** Read second time. To third reading. `reading-2, reading-1`
- **2010-06-01** Read third time, passed, and to Senate. (Ayes 50. Noes 27. Page 5390.) `reading-3, passage, reading-1`
- **2010-06-01** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-06-10** Referred to Com. on EQ. `referral-committee`
- **2010-06-21** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on EQ. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-06-29** From committee: Do pass, and re-refer to Com. on RLS. Re-referred. (Ayes 5. Noes 2.) (June 28). `committee-passage-favorable, committee-passage`
- **2010-06-29** Re-referred to Com. on HEALTH. `referral-committee`
- **2010-07-01** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 6. Noes 2.) (June 30). `amendment-introduction, amendment-passage, committee-passage`
- **2010-07-15** Read second time and amended. Re-referred to Com. on APPR. `reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-03** From committee: Amend, and do pass as amended. (Ayes 6. Noes 3.) (August 2). `amendment-introduction, amendment-passage, committee-passage`
- **2010-08-04** Read second time and amended. Ordered to third reading. `amendment-passage, reading-2, reading-1`
- **2010-08-23** Read third time, passed, and to Assembly. (Ayes 22. Noes 14. Page 4799.) `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. (Ayes 49. Noes 27. Page 6562.)
- **2010-08-24** Senate amendments concurred in. To enrollment. (Ayes 51. Noes 26. Page 6607.) `amendment-passage, committee-passage-favorable`
- **2010-09-07** Enrolled and to the Governor at 12 p.m.
- **2010-09-25** Approved by the Governor. `executive-signature`
- **2010-09-27** Chaptered by Secretary of State - Chapter 369, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2bdda3ba-533e-4f63-afa4-1152d6728e37`. Confidence: reported (aggregated from official California legislature records).