Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 120.000 - The Control of Radiation
RADIATION SAFETY REQUIREMENTS
Section 120.340 - Underwater and Lay-barge Radiography
Universal Citation: 105 CMR 120.000 MA Code of Regs 120.340
Current through Register 1531, September 27, 2024
(A) Underwater and/or lay-barge radiography shall not be performed unless specifically authorized in a license issued by the agency in accordance with 105 CMR 120.360.
(B) In addition to the other requirements of 105 CMR 120.300, the following requirements apply to the performance of lay-barge radiography:
(1) Cobalt-60 sources
with activities in excess of 740 GBq (20 Ci) (nominal) and iridium-192 sources
with activities in excess of 3.70 TBq (100 Ci) (nominal) shall not be used in
the performance of offshore platform or lay-barge radiography.
(2) Collimators shall be used for all
industrial radiographic operations performed on lay-barges.
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