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The mandatory radiation standards of the Mine Safety and Health Administration for Metal and Non-Metallic Underground Mines, published July 31, 1969, February 25, 1970, and December 8, 1970, are adopted for control of underground radiation hazards.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 1-17-80; effective thirtieth day thereafter (Register 80, No. 3).
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