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WASTE DISCHARGE REQUIREMENTS -4- <br /> SIMPSON PAPER COMPANY, RIPON MILL <br /> SAN JOAQUIN COUNTY <br /> C. Receiving Water Limitations : <br /> 1. The Discharaer shall not cause the dissolved oxyen concentration in the <br /> Stanislaus River to fall below 5.0 mg/l . <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 esthetically undesirable discoloration of <br /> the receiving waters . <br /> 5. The discharge shall not cause fungus, slimes, or other objectionable <br /> growths 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 <br /> by more than 10/ over background levels. <br /> 8. The discharge shall not alter the normal ambient pH of the receiving <br /> water 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 (3°C) . <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 Federal Water Pollution Control <br /> Act and regulations adopted thereunder. If more stringent applicable <br /> water quality standards are approved pursuant to Section 303 of the <br /> Federal Water Pollution Control Act, or amendments thereto, the Board will <br /> revise and modify this Order in accordance with such more stringent <br /> standards . <br /> D. Provisions: <br /> 1. Neither the discharge nor its treatment shall create a nuisance or pollu- <br /> tion as defined in Section 13050 of the California Water Code. <br /> 2. The requirements prescribed by this Order supersede the requirements <br /> prescribed by Order No. 77-286 (NDPES CA0004006) ; adopted by the Board on <br /> 16 December 1977, which is hereby rescinded. <br />