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WASTE DISCHARGE REQUIREMENTS 7 <br />UNIVERSITY OF CALIFORNIA <br />LAWRENCE LIVERMORE NATIONAL LABORATORY EXPERIMENTAL TEST SITE <br />AND U.S. DEPARTMENT OF ENERGY <br />ALAMEDA AND SAN JOAQUIN COUNTIES <br />3. Storm water discharges shall not contain a hazardous substance equal to or in <br />excess of a reportable quantity listed in 40 CFR Part 117 and/or 40 CFR Part <br />302. <br />4. Discharge to surface drainage courses is prohibited from cooling towers at <br />Buildings 805, 809, 810, 812, 815, 817, 826, 827-1, 827-2, 828, 836D, 851- <br />1, 851-2, and 854 after December 1994, except during infrequent periods <br />when Hetch Hetchy water supply is unavailable. <br />Effluent Limitations <br />1. Effluent from cooling towers B-801, B -836A and B865 shall not exceed the <br />following limits: <br />Constituent Units Monthly Average Daily Maximum <br />TDS mg/l 2,000 2,400 <br />pH pH units 10.0 <br />2. When cooling towers B-805, B-809, B-810, B-812, B-815, B-817, B-826, B- <br />827-1, B-827-2, B-828, B -836D, B-851-1, B-851-2, and B-854 discharge to <br />SWDC, the effluent from these towers shall not exceed the following limits: <br />Constituent Units Monthly Average Daily Maximum <br />TDS mg/1 2,000 5,000 <br />pH pH units 10.0 <br />3. The maximum daily discharge shall not exceed the design flow for each of the <br />towers as listed in Attachment B. <br />C. Receiving Water Limitations <br />1. The discharge shall not cause the pH of Corral Hollow Creek to fall below 6.5 <br />or exceed 8.5. <br />2. The discharge shall not change the ambient pH of the receiving water by more <br />than 0.5 units. <br />3. The discharge shall not cause visible oil, grease, scum, foam, or floating or <br />suspended material in or on the receiving waters or stream bottoms. <br />