12-31C-1 Radiation Shielding Standards — 2025 California Referenced Standards Code

California Referenced Standards Code (Title 24, Part 12) · 2025 edition · updated 2026-09-25 · California

CBSC: official editions, supplements and errata

Cite as: 2025 California Referenced Standards Code (Title 24, Part 12) § 12-31C-1 · Effective January 1, 2026 · Official source: Building Standards Commission

DEPARTMENT OF HEALTH SERVICES

Authority: Sections 102, 208 and 25811.

Reference: Sections 102, 208 and 436.5.

ALL HEALING ARTS X-RAY INSTALLATIONS

Sec. 12-31C-101. All radiation shielding barriers in rooms and enclosures housing radiation machines shall comply with the mandatory standards and appendices in Report No. 35, “Dental X-RAY Protection”; Report 49, “Structural Shielding Design and Evaluation for Medical use of X-rays and Gamma Rays of Energies up to 10 MeV”; and Report No. 51, “Radiation Protection Design Guidelines for 0.1-100 MeV Particle Accelerator Facilities.” Published by the National Council on Radiation Protection and Measurements, 7910 Woodmont Avenue, Bethesda, Maryland 20814.

106 2025 CALIFORNIA REFERENCED STANDARDS CODE

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▸Contents — California Referenced Standards Code (Title 24, Part 12)

California Referenced Standards Code (Title 24, Part 12)

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