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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 /> 4. The 30-day average daily dry weather discharge shall not exceed 0.1 million <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 /> 7. There shall be no acute toxicity in the discharge. Acute toxicity is defined <br /> as either less than 70 percent survival in a single 96-hour bioassay toxicity <br /> test or less than 90 percent survival in four consecutive toxicity tests <br /> using an approved test organism and protocol . <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/l . <br /> 2. The discharge shall not cause visible oil , grease, scum, foam, or 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 esthetically 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 /> 6. The discharge shall not cause bottom deposits in the receiving waters. <br /> 7. The discharge shall not increase the turbidity of the receiving waters by <br /> more than 10% over background levels. <br /> 8. The discharge shall not alter the normal ambient pH of the receiving water <br /> more than 0.5 units. <br /> 9. The discharge shall not increase the normal ambient temperature of the <br /> receiving water more than 5°F. <br /> 10. The discharge shall not cause a violation of any applicable water quality <br /> standard for receiving waters adopted by the Board or the State Water <br /> Resources Control Board as required by the Clean Water Act and regulations <br /> adopted thereunder. If more stringent applicable water quality standards are <br />