Tenn. Comp. R. & Regs. 0400-20-05-.122 - DISPOSAL BY RELEASE INTO SANITARY SEWERAGE
(1) A licensee may release radioactive material into sanitary sewerage if each of the following conditions is satisfied:
(a) The material is readily soluble in water or is a readily dispersible biological material; and
(b) The quantity of radioactive material the licensee releases into the sewer in any one month divided by the average monthly volume of water released into the sewer by the licensee does not exceed the concentration listed in Table III of Schedule RHS 8-30; and
(c) If more than one radionuclide is released, the following conditions shall also be satisfied:
1. The license shall determine the fraction of the limit in Table III of Schedule RHS 8-30 represented by its releases into sanitary sewerage. This shall be done by dividing the actual monthly average concentration of each radionuclide released by the licensee into the sewer by the concentration of that radionuclide listed in Table III of Schedule RHS 8-30; and
2. The sum of the fractions for each radionuclide required by part 1 of this subparagraph does not exceed unity; and
(d) The total quantity of licensed and other radioactive material that the licensee releases into the sanitary sewerage system in a year does not exceed:
1. 5 curies (185 GBq) of hydrogen-3;
2. 1 curie (37 GBq) of carbon-14; and
3. 1 curie (37 GBq) of all other radioactive materials combined.
(2) Excreta from individuals undergoing medical diagnosis or therapy with radioactive material are not subject to the limitations contained in paragraph (1) of this rule.
Authority: T.C.A. §§ 68-202-201 et seq., and 4-5-201 et seq.
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