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WASTE DISCHARGE REQUIREMENTS -4- <br /> UNIVERSITY OF CALIFORNIA <br /> LAWRENCE LIVERMORE NATIONAL <br /> LABORATORY SITE 300 AND <br /> THE U.S. DEPARTMENT OF ENERGY <br /> ALAMEDA AND SAN JOAQUIN COUNTIES <br /> Monthly <br /> Constituents Units Median Maximum <br /> 1 , 1 Dichloroethane µg/l <0.5 5* <br /> 1 ,2 Dichloroethane µg/1 <0.5 5* <br /> 1 ,1 , 1 Trichloroethane Ag/l <0.5 5' <br /> Chloroform Ag/l <0.5 5* <br /> The sum of the concentrations of all these VOCs in a single <br /> sample shall not exceed 5 Mcg/l . <br /> 2. The discharge of VOCs other than these listed in A.1 above in excess 0.5 <br /> µg/l using EPA Methods 601 or 602 is prohibited. <br /> 3. The discharge shall not have a pH less than 6.5 nor greater than 8.5. <br /> 4. The 30-day average daily dry weather discharge shall not exceed 86,400 <br /> gallons. <br /> 5. By-pass or overflow of untreated or partially treated waste is prohibited. <br /> 6. The Discharger shall use the best practicable cost-effective control <br /> technique currently available to limit mineralization to no more than a <br /> reasonable increment. <br /> B. Receiving Water Limitations: <br /> 1. The discharge shall not cause the dissolved oxygen concentration in Corral <br /> Hollow Creek to fall below 5.0 mg/1 . <br /> 2. The discharge shall not cause visible oil , grease, scum, foam, floating or <br /> suspended material in the receiving waters or watercourses. <br /> 3. The discharge shall not cause concentrations of any materials in the <br /> receiving waters which are deleterious to human, animal , aquatic, or plant <br /> life. <br /> 4. The discharge shall not cause aesthetically undesirable discoloration of the <br /> receiving waters. <br /> 5. The discharge shall not cause fungus, slimes, or other objectionable growths <br /> in the receiving waters. <br />