Statutes, codes, and regulations
California Code Of Regulations
Title 17 - Public HealthDivision 1 - State Department of Health ServicesChapter 5 - Sanitation (Environmental)Subchapter 4 - RadiationStandards for Protection Against Radiation
Article 4 - Special Requirements for the Use of X-Ray in the Healing Arts
Section 30313 - Special Requirements for Therapeutic X-Ray Equipment Operated at Potentials of 50 kV and Below

Cal. Code Regs. tit. 17 § 30313

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Current through Register 2024 Notice Reg. No. 44, November 1, 2024
Section 30313 - Special Requirements for Therapeutic X-Ray Equipment Operated at Potentials of 50 kV and Below
(a) The user shall ensure therapeutic X-ray equipment shall meet the following:
(1) All provisions of Section 30312(a) apply.
(2) A therapeutic-type protective tube housing shall be used. Contact therapy machines shall meet the additional requirement that the leakage radiation at 2 inches from the surface of the housing not exceed 0.1 R/hr.
(3) Automatic timers shall be provided which will permit accurate presetting and determination of exposures as short as one second.
(b) The user shall comply with the following:
(1) All provisions of section 30312(b) apply except 30312(b)(1) and 30312(b)(7).
(2) In the therapeutic application of apparatus constructed with beryllium or other low-filtration windows adequate shielding shall be required to protect against unnecessary exposure from the useful beam, and special safeguards are essential to avoid accidental exposures to the useful beam. There shall be on the control panel some easily discernible device which will give positive information as to whether or not the tube is energized.
(3) Machines having an output of more than 1,000 roentgens per minute at any accessible place shall not be left unattended without the power being shut off at the primary disconnecting source.
(4) If the X-ray tube of a contact therapy machine is hand-held during irradiation, the operator shall wear protective gloves and apron.

Cal. Code Regs. Tit. 17, § 30313

1. Amendment filed 3-5-71; effective thirtieth day thereafter. Approved by State Building Standards Commission 2-26-71 (Register 71, No. 10).
2. Renumbering and amendment filed 9-4-73 as an emergency; effective upon filing (Register 73, No. 36). Approved by State Building Standards Commission 11-30-73.
3. Certificate of Compliance filed 12-28-73 (Register 73, No. 52).
4. Amendment of subsections (a)(1), (b)(1) and (b)(4) filed 6-18-87; operative 7-18-87 (Register 87, No. 28).
5. Change without regulatory effect amending subsection (b)(3) filed 11-1-91 pursuant to section 100, title 1, California Code of Regulations (Register 92, No. 5).
6. Amendment of section heading filed 3-3-94 as an emergency; operative 3-3-94 (Register 94, No. 9). A Certificate of Compliance must be transmitted to OAL by 7-1-94 or emergency language will be repealed by operation of law on the following day.
7. Certificate of Compliance as to 3-3-94 order transmitted to OAL 6-7-94 and filed 7-14-94 (Register 94, No. 28).
8. Amendment of section heading, subsections (a) and (b)-(b)(1) and NOTE filed 5-13-2020; operative 10-1-2020 pursuant to Government Code section 11343.4(b)(2) (Register 2020, No. 20).

Note: Authority cited: Sections 114975, 115000 and 131200, Health and Safety Code. Reference: Sections 114965, 114970, 115000, 115060, 131050, 131051 and 131052, Health and Safety Code.

1. Amendment filed 3-5-71; effective thirtieth day thereafter. Approved by State Building Standards Commission 2-26-71 (Register 71, No. 10).
2. Renumbering and amendment filed 9-4-73 as an emergency; effective upon filing (Register 73, No. 36). Approved by State Building Standards Commission 11-30-73.
3. Certificate of Compliance filed 12-28-73 (Register 73, No. 52).
4. Amendment of subsections (a)(1), (b)(1) and (b)(4) filed 6-18-87; operative 7-18-87 (Register 87, No. 28).
5. Change without regulatory effect amending subsection (b)(3) filed 11-1-91 pursuant to section 100, title 1, California Code of Regulations (Register 92, No. 5).
6. Amendment of section heading filed 3-3-94 as an emergency; operative 3-3-94 (Register 94, No. 9). A Certificate of Compliance must be transmitted to OAL by 7-1-94 or emergency language will be repealed by operation of law on the following day.
7. Certificate of Compliance as to 3-3-94 order transmitted to OAL 6-7-94 and filed 7-14-94 (Register 94, No. 28).
8. Amendment of section heading, subsections (a) and (b)-(b)(1) and Note filed 5-13-2020; operative 10/1/2020 pursuant to Government Code section 11343.4(b)(2) (Register 2020, No. 20).