New Hampshire Code of Administrative Rules
He - Department of Health and Human Services
Subtitle He-P - Former Division of Public Health Services
Chapter He-P 4000 - NEW HAMPSHIRE RULES FOR THE CONTROL OF RADIATION
Part He-P 4020 - STANDARDS FOR PROTECTION AGAINST RADIATION
Section He-P 4020.13 - Dose Limits for Individual Members of the Public

Universal Citation: NH Admin Rules He-P 4020.13

Current through Register No. 40, October 3, 2024

(a) Each licensee or registrant shall conduct operations so that:

(1) The total effective dose equivalent to individual members of the public from the licensed or registered operation does not exceed 1 mSv (0.1 rem) in a year, 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 He-P 4035.25, from voluntary participation in medical research programs, and from the licensee's disposal of radioactive material into sanitary sewerage in accordance with He-P 4023.03;

(2) The dose in any unrestricted area from external sources, exclusive of the dose contributions from patients administered radioactive material and released in accordance with He-P 4035.25, does not exceed 0.02 mSv (0.002 rem) in any one hour; and

(3) The total effective dose equivalent to individual members of the public from an exposure to radiation from radiation machines does not exceed 5 mSv (0.5 rem) .

(b) If the licensee or registrant permits members of the public to have access to controlled areas, the limits for members of the public continue to apply to those individuals.

(c) Notwithstanding He-P 4020.13(a) (1) , a licensee may permit visitors to an individual who cannot be released under He-P 4035.25, to receive a radiation dose greater than one mSv (0.1 rem), if

(1) The radiation dose received does not exceed 5 mSv (0.5 rem); and

(2) The authorized user, as defined in He-P 4035.03(d) , has determined before the visit that it is appropriate.

(d) A licensee, registrant, or an applicant for a license or registration shall apply for prior DHHS/RHS authorization, in accordance with He-P 4030.13, to operate up to an annual dose limit for an individual member of the public of 5 mSv (0.5 rem) .

(e) The applicant for authorization under He-P 4020.13(d) shall provide the following information:

(1) Demonstration of the need for and the expected duration of operations in excess of the limit in He-P 4020.13(a) ;

(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 ALARA.

(f) In addition to the requirements of He-P 4020 through He-P 4023, a licensee shall comply with the provisions of the U.S. Environmental Protection Agency's generally applicable environmental radiation standards in 40 CFR 190.

(g) As authorized by, and in accordance with He-P 4030.07, 4030.09, and 4030.13, a licensee shall keep radiation levels in unrestricted areas ALARA and monitor the total quantity of radionuclides that the licensee may release in effluents in order to restrict the collective dose.

#5903, eff 2-1-95; ss by #6827, eff 8-6-98; ss by #8481, eff 11-5-05

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