Ariz. Admin. Code § R9-7-416 - Dose Limits for Individual Members of the Public
A. Each licensee or registrant shall conduct
operations so that:
1. The total effective
dose equivalent to any individual member of the public from the licensed or
registered operation does not exceed 1 mSv (0.1 rem) in a year, excluding the
dose contribution from background radiation, medical administration of
radiation, exposure to an individual who has been administered radioactive
material and released in accordance with
R9-7-719, voluntary participation
in a medical research program, and the licensee's or registrant's disposal of
radioactive material into sanitary sewerage in accordance with R9-7-436;
and
2. The dose in any unrestricted
area from an external source excluding the dose contribution from an individual
who has been administered radioactive material and released in accordance with
R9-7-719, does not exceed 0.02 mSv
(0.002 rem) in any one hour.
B. Registrants possessing radiation machines
in operation before August 10, 1994, are exempt from the requirement in
subsection (A)(1). Operation of these machines shall be conducted so that the
total effective dose equivalent to any individual member of the public does not
exceed 5 mSv (0.5 rem) in a year.
C. A licensee, registrant, or an applicant
for a license or registration may apply for Department authorization to operate
with an annual dose limit of 5 mSv (0.5 rem) for an individual member of the
public. The application shall include the following information:
1. An explanation of the need for and the
expected duration of operations in excess of the limit in subsection (A),
and
2. The licensee's or
registrant's program to assess and control dose within the 5 mSv (0.5 rem)
annual limit; and
3. The procedures
to be followed to maintain the dose in accordance with
R9-7-407(B).
D. A licensee or registrant shall
comply with the U.S. Environmental Protection Agency's applicable environmental
radiation standards in 40 CFR 190, 2003 edition, published July 1, 2003, by the
Office of the Federal Register, National Archives and Records Administration,
Washington, D.C. 20408, which are incorporated by reference, on file with the
Department and contain no future editions or amendments.
E. The Department may impose additional
restrictions on radiation levels in unrestricted areas and on the total
quantity of radionuclides that a licensee or registrant may release in
effluents in order to restrict the collective dose.
F. Each licensee or registrant shall make or
cause to be made surveys of radiation levels in unrestricted areas and
radioactive materials contained in effluents released to unrestricted
areas.
G. Each licensee or
registrant shall:
1. Demonstrate by
measurement or calculation that the total effective dose equivalent to the
individual likely to receive the highest dose from the licensed or registered
operation does not exceed the annual dose limit; or
2. Demonstrate that:
a. The annual average concentrations of
radioactive material released in gaseous and liquid effluents at the boundary
of the unrestricted area do not exceed the values specified in Appendix B,
Table II; and
b. If an individual
were continually present in an unrestricted area, the dose from external
sources would not exceed 0.02 mSv (0.002 rem) in an hour and 0.5 mSv (0.05 rem)
in a year.
H.
Upon approval from the Department, the licensee or registrant may adjust the
effluent concentration values in Appendix B, Table II for members of the
public, to take into account the actual physical and chemical characteristics
of the effluents, such as aerosol size distribution, solubility, density,
radioactive decay equilibrium, and chemical form.
I. Each licensee or registrant shall maintain
records sufficient to demonstrate compliance with the dose limit for individual
members of the public and shall retain the records for three years after the
Department terminates each pertinent license or registration.
Notes
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