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ORDINANCE NO 1275 <br /> PAGE NO 15 <br /> (xi) Any discharge waters having an average daily flow greater • <br /> than 0 5 percent of Manteca's average dry weather flow <br /> (ADWF), without the approval of the Director of Public Works. <br /> (xii) Any discharge containing petroleum oil, non-biodegradable <br /> cutting oil, or products of mineral oil ongm in amounts that, <br /> alone or in conjunction with other discharges, will cause <br /> interference or pass through <br /> (xni)Pollutants that will cause corrosive structural damage to the <br /> POTW, but in no case Discharges with a pH lower than 6 0, <br /> unless the works is specifically designed to accommodate such <br /> Discharges <br /> (xiv) Any trucked or hauled pollutants, except at discharge points <br /> designated by the POTW <br /> (xv) Any solid material not capable of passing through a 3/8 inch <br /> mesh screen <br /> (e) Limits <br /> Any exceedance or violation of these limits is considered to be a violation of <br /> this Waste Ordinance and is enforceable by penalties N <br /> (1) Any discharge with a pH less than 6 0 or greater than or equal to 12 5 <br /> (2) Any discharge having a closed cup flashpoint of less than 140 degrees <br /> Fahrenheit (60 degrees Celsius) using test methods specified in 40 CFR <br /> 26121 <br /> (3) The following table lists the maximum waste discharge concentration <br /> for the listed pollutants The Director of Public works may impose mass <br /> limits in addition to, or in place of the maximum concentration limits <br /> Pollutant Maximum Concentration (mg/Ll <br /> Antimony 0.6 <br /> Arsenic 0.6 <br /> Barium 120 <br /> Beryllium 6.0 <br /> Boron - - - - 120- <br /> Cadmium <br /> 20-Cadmium 012 <br />