105 CMR, § 120.225 - General
(A) Each licensee or registrant 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
105 CMR
120.200; and
(2) are necessary under the circumstances to
evaluate:
(a) the magnitude and extent of
radiation levels;
(b)
concentrations or quantities of radioactive material residual radioactivity;
and
(c) the potential radiological
hazards of the radiation levels and residual radioactivity detected.
(B) Notwithstanding the
provisions in
105 CMR
120.263(A), records from
surveys describing the location and amount of subsurface residual radioactivity
identified at the site must be kept with records important for decommissioning,
and such records must be retained in accordance with
105 CMR
120.125(C)(8), 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
except when a more frequent interval is specified in another applicable section
of 105 CMR 120.000 or license condition.
(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
105 CMR
120.211, with other applicable provisions of
105 CMR 120.000, or with conditions specified in a license or certificate of
registration, shall be processed and evaluated by a dosimetry processor:
(1) holding current personnel dosimetry
accreditation from the National Voluntary Laboratory Accreditation Program
(NVLAP) of the National Institute of Standards and Technology; and
(2) approved in this accreditation process
for the type of radiation or radiations included in the NVLAP program that most
closely approximates the type of radiation or radiations for which the
individual wearing the dosimeter is monitored.
(E) The licensee or registrant shall ensure
that adequate precautions are taken to prevent a deceptive exposure of an
individual monitoring device.
Notes
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