republic-os/legislation/us/states/ca/20172018/ab-911.md

---
type: "Bill"
title: "Radioactive materials: licensing and registration: exemption."
description: "Existing law requires the State Department of Public Health to establish rules or regulations for general or specific licensing of persons to receive, possess, or transfer radioactive materials, or devices or equipment utilizing these materials. Existing law authorizes the department to require registration and inspection of sources of ionizing radiation, as specified. Existing law authorizes the department to exempt certain sources of ionization radiation or kinds of uses or users from the licensing requirements when the department makes a finding that the exemption of those kinds of users will not constitute a significant risk to the health and safety of the public. Under its existing regulatory authority, the department has adopted regulations establishing requirements, including a requirement that an individual acting as a radiation machine radiographer be a certified radiation machine radiographer, for conducting field radiography."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 911"
citation: "California AB 911 (20172018)"
classification: ["bill"]
subjects: ["Radioactive materials: licensing and registration: exemption."]
status: "enacted"
primary_sponsors: ["Wood"]
version_count: 7
action_count: 23
vote_count: 3
first_action: "2017-02-16"
last_action: "2017-07-24"
source: "openstates"
source_identifier: "ocd-bill/620a8947-adab-4369-811e-aa51722b38d6"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB911"
source_hash: "083af9c72c2f499f18040e5b71ca07b42476fd1737292f0fcefed2ff4c919314"
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 911 (20172018) — Radioactive materials: licensing and registration: exemption.

Existing law requires the State Department of Public Health to establish rules or regulations for general or specific licensing of persons to receive, possess, or transfer radioactive materials, or devices or equipment utilizing these materials. Existing law authorizes the department to require registration and inspection of sources of ionizing radiation, as specified. Existing law authorizes the department to exempt certain sources of ionization radiation or kinds of uses or users from the licensing requirements when the department makes a finding that the exemption of those kinds of users will not constitute a significant risk to the health and safety of the public. Under its existing regulatory authority, the department has adopted regulations establishing requirements, including a requirement that an individual acting as a radiation machine radiographer be a certified radiation machine radiographer, for conducting field radiography.

## Version chain

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

1. **02/16/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91199INT)
2. **04/03/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91198AMD)
3. **05/24/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91197AMD)
4. **06/19/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91196AMD)
5. **07/24/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91194CHP)
6. **AB911** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB911)
7. **07/11/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB911&version=20170AB91195ENR)

## Votes

- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **7–0** (pass) · upper
- Consent Calendar 2nd AB911 — **33–0** (pass) · upper
- AB 911 WOOD Concurrence in Senate Amendments — **77–0** (pass) · lower

## Sponsors

- Wood — primary (person)
- Burke — coauthor (person)
- Lackey — coauthor (person)
- Quirk — author (person)
- Rodriguez — coauthor (person)
- Voepel — coauthor (person)

## Timeline

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

- **2017-02-16** Read first time. To print. `reading-1`
- **2017-02-17** From printer. May be heard in committee March 19.
- **2017-03-02** Referred to Com. on HEALTH. `referral-committee`
- **2017-03-22** Coauthors revised.
- **2017-03-22** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 15. Noes 0.) (March 21). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-03** From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1`
- **2017-04-04** Re-referred to Com. on APPR. `referral-committee`
- **2017-04-05** From committee: Do pass. To Consent Calendar. (Ayes 17. Noes 0.) (April 5). `committee-passage-favorable, committee-passage`
- **2017-04-06** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2017-04-20** Read third time. Passed. Ordered to the Senate. (Ayes 74. Noes 0. Page 1145.) `reading-3, passage, reading-1`
- **2017-04-20** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-05-10** Referred to Com. on EQ. `referral-committee`
- **2017-05-24** 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-passage, referral-committee, reading-2, reading-1, amendment-introduction`
- **2017-06-07** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (June 7). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-06-19** 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-passage, referral-committee, reading-2, reading-1, amendment-introduction`
- **2017-06-26** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and ordered to consent calendar. `committee-passage`
- **2017-06-27** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2017-07-03** Read third time. Passed. Ordered to the Assembly. (Ayes 33. Noes 0. Page 1843.). `reading-3, passage, reading-1`
- **2017-07-03** In Assembly. Concurrence in Senate amendments pending. May be considered on or after July 5 pursuant to Assembly Rule 77.
- **2017-07-10** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 77. Noes 0. Page 2496.). `committee-passage-favorable, amendment-passage`
- **2017-07-13** Enrolled and presented to the Governor at 3 p.m.
- **2017-07-24** Approved by the Governor. `executive-signature`
- **2017-07-24** Chaptered by Secretary of State - Chapter 128, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/620a8947-adab-4369-811e-aa51722b38d6`. Confidence: reported (aggregated from official California legislature records).