Section 144-220-D-F-1501 - GeneralA. Each licensee shall make, or cause to be made, surveys of areas, including the subsurface, that: (1) Are necessary for the licensee or registrant to comply with Part D; and(2) Are necessary under the circumstances to evaluate: (a) The magnitude of radiation levels; and(b) Concentrations or quantities of residual radioactivity; and(c) The potential radiological hazards of the radiation levels and residual radioactivity detected.B. Notwithstanding D.2103.A of this part, records from surveys describing the location and amount of subsurface residual radioactivity identified at the site must be kept with records for decommissioning, and such records must be retained in accordance with C.25, C.8.F(7)(f), as applicable.C. The licensee or registrant shall ensure that instruments and equipment used for quantitative radiation measurements, for example, dose rate and effluent monitoring, are calibrated at intervals not to exceed 12 months for the radiation measured.D. All personnel dosimeters, except for direct and indirect reading pocket ionization chambers and those dosimeters used to measure the dose to any extremity, that require processing to determine the radiation dose and that are used by licensees and registrants to comply with D.1201, with other applicable provisions of this rule, or with conditions specified in a license or registration shall be processed and evaluated by a dosimetry processor.E. The licensee or registrant shall ensure that adequate precautions are taken to prevent a deceptive exposure of an individual monitoring device.10-144 C.M.R. ch. 220, § D-F-1501