105 CMR 120.545
Possession of Survey Instrument
A licensee authorized to use radioactive material for uptake, dilution, and excretion studies
shall possess a portable radiation detection survey instrument capable of detecting dose rates
over the range one microsievert (0.1 mrem) per hour to 1000 microsieverts (100 mrems) per
hour. The instrument shall be operable and calibrated in accordance with 105 CMR 120.533.