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WASTE DISCHARGE REQUIREMENTS , .. + <br /> GENERAL ORDER FOR DISCHARGE OF s ,, <br /> GROUND WATER FROM CLEANUP OF -,v, <br /> PETROLEUM FUEL POLLUTION . <br /> TO SURFACE WATERS <br /> 2. k Creation:' of: pollution, contamination, or 'nu'isance", as definedby <br /> Section 13050 of the` California Water Code, `is prohibited. <br /> F 3. A discharge in excess of 100,000 gpd is prohibited. <br /> C. y Effluent Limitations <br /> 1. The discharge of an effluent in excess of the following limits is <br /> — prohibited: <br /> 30-Day{ Daily <br /> Constituents Units Median Maximum <br /> Total; Petroleum Ag1-1 ' <50' 100 ` <br /> Hydrocarbons x f <br /> (3050 GCFID) <br /> Benzene Ag/1 <0.5 5* <br /> Ethyt Benzene, 99 4.5 . _ 5* ,. <br /> Toluene µg11 <0,5 5* <br /> Xylene Ag/l <0.5 5*. . <br /> Lead cg/1 5 � y 50 <br /> * The sum of the concentrations of benzene, 'ethyl benzene,ytoluene, <br /> and xylene in any single' sample shall not exceed 5 ug/l. <br /> 2. The discharge shall not have a pH of less than. 6.5 nor greater than <br /> 8.571 <br /> 3'. There shal l: -be no acute >toxicity .'in undiluted effluent. Acute <br /> toxicity is defined as less than ninety percent survival , fifty <br /> percent of the time, - and less than seventy percent survival , ten <br /> .�., , percent of the time, of standard test organismsin undiluted <br /> effluent in 96=hour static or continuous-flow tests.} <br /> D. ,1' 4 'Solids 'Disp6sal: <br /> 1. Collected screenings, sludges, and other solids 'removed from liquid <br /> wastes or used to treat liquid wastes shall be disposed of in a <br /> manner that is consistent with Chapter.15, Division 3, T.itle 23, of <br /> the CCR and approved by the Executive Officer. <br /> V '2. Any proposed change `in~solids' use or,:disposal , practice'" shall be <br /> �i `'reported to the Executive Officer and .EPA Regional Administrator at <br /> "least 90 days in advance of'the change. '' ' <br />