Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 120.000 - The Control of Radiation
GENERAL TECHNICAL REQUIREMENTS
Section 120.543 - Decay-in-storage
Universal Citation: 105 CMR 120.000 MA Code of Regs 120.543
Current through Register 1531, September 27, 2024
(A) A licensee may hold radioactive material with a physical half-life of less than 120 days (or longer, if the Agency has approved it) for decay-in-storage before disposal without regard to its radioactivity if the licensee:
(1) Monitors
radioactive material at the surface and determines that its radioactivity
cannot be distinguished from the background radiation level with an appropriate
radiation detection survey instrument set on its most sensitive scale and with
no interposed shielding;
(2)
Removes or obliterates all radiation labels except for radiation labels on
materials that are within containers and that will be managed as biomedical
waste after they have been released from the licensee; and
(3) Separates and monitors each generator
column individually with all radiation shielding removed to ensure that its
contents have decayed to background radiation level before disposal.
(B) For radioactive material disposed in accordance with 105 CMR 120.543(A), the licensee shall retain a record of each disposal in accordance with 105 CMR 120.590(M).
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