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State Drinking Water Standards & Analytical Techniqu <br />http://w~ ibraries.wayne.edu/elaw/water/sdwa/sdwrule6.html <br />Burdens and Maximum Permissible Concentration of Radionuclides in Air or Water for Occupational <br />Exposure," NIBS Handbook 69, as amended August, 1963, U.S. Department of Commerce. If 2 or more <br />radionuclides are present, the sum of their annual dose equivalent to the total body or to any organ shall <br />not exceed 4 millirems per year. <br />TABLE 1 <br />Average annual concentrations assumed to produce a total <br />body or organ dose of 4 millirems per year <br />Radionuclide Critical Organ pCi per liter <br />Tritium Total body 20,000 <br />Strontium 90 Bone marrow 8 <br />R 325.10604a MCL for total trihalomethanes. <br />Rule 604a. Compliance with the MCL for total trihalomethanes shall be determined in accordance with <br />the provisions of Part 7 of these Rules. The MCL for total trihalomethane for all type I public water <br />supplies which add a disinfectant to the water as a normal Part of the treatment system shall be 0.10 <br />milligrams per liter. <br />R 325.10604b MCL for regulated volatile organic chemicals other than total trihalomethanes in type <br />I public water supplies and nontransient noncommunity water supplies. <br />Rule 604b. Compliance with the MCL's for regulated volatile organic chemicals shall be determined in <br />accordance with the provisions of Part 7 of these Rules. The MCL's shall be as shown in table II. <br />TABLE II <br />Maximum Contaminant <br />Contaminant Level in mg/1 <br />Benzene ...................................... 0.005 <br />Vinyl chloride ............................... 0.002 <br />Carbon tetrachloride ........... .............. 0.005 <br />1,2dichloroethane ................ ........... 0.005 <br />Trichloroethylene ................ ............ 0.005 <br />1, ldichloroethylene ............ ............. 0.007 <br />1,1,1 trichloroethane ........................ 0.20 <br />2 0(5 7/21/99 3:31 PM <br />