Section 0400-20-05-.60 - DOSE LIMITS FOR INDIVIDUAL MEMBERS OF THE PUBLIC(1) Each licensee and registrant shall conduct operations so that: (a) The total effective dose equivalent received by any individual member of the public from the licensed or registered operation does not exceed 0.1 rem (1 mSv) in a year. This limit is exclusive of the dose contribution from background radiation, from any medical administration the individual has received, from exposure to individuals administered radioactive material and released in accordance with Rule 0400-20-07-.35, from voluntary participation in medical research programs, and from the licensee's disposal of radioactive material into sanitary sewerage in accordance with Rule 0400-20-05-.122; and(b) The dose in any unrestricted area from external sources, exclusive of the dose contributions from patients administered radioactive material and released in accordance with Rule 0400-20-07-.35, does not exceed 0.002 rem (0.02 mSv) in any one hour.(2) If a licensee or registrant permits members of the public to have access to controlled areas, the limit for members of the public continues to apply to those individuals.(3) Notwithstanding paragraph (1)(a) of this rule, a licensee or registrant may permit visitors to an individual who cannot be released, under Rule 0400-20-07-.35, to receive a radiation dose greater than 0.1 rem (1mSv) if: (a) The radiation dose received does not exceed 0.5 rem (5 mSv); and(b) The authorized user, as defined in Rule 0400-20-07-.05, has determined before the visit that it is appropriate.(4) A licensee, registrant or applicant may apply for prior authorization to operate up to an annual dose limit for an individual member of the public of 0.5 rem (5 mSv). This application by the licensee, registrant or applicant shall include the following: (a) Demonstration of the need for and the expected duration of operations in excess of the limit in paragraph (1) of this rule;(b) The licensee's or registrant's program to assess and control dose within the 0.5 rem (5 mSv) annual limit; and(c) The procedures to be followed to maintain the dose as low as is reasonably achievable (ALARA).(5) In addition to the requirements of this chapter, a licensee or registrant subject to the provisions of EPA's generally applicable environmental radiation standards in 40 CFR Part 190 shall comply with those standards.(6) The Division 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.Tenn. Comp. R. & Regs. 0400-20-05-.60
Original rule filed February 22, 2012; effective May 22, 2012.Authority: T.C.A. §§ 68-202-201 et seq., and 4-5-201 et seq.