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<br /> <br /> <br /> <br /> <br /> <br /> E. SPECIFIC POLLUTANT LIMITATIONS <br /> <br /> No person shall discharge wastewater containing in excess of the <br /> following allowable concentrations of specific polltztants: <br /> Not to exceed <br /> (all values are in mg/1) <br /> <br /> Monthly Daily Grab ' <br /> Average Composite sample <br /> Arsenic 0.1 0.2 0.3 <br /> Cadmium 0.05 0.1 0.2 <br /> Copper .05 1.0 2.0 <br /> Cyanide 0.1 0.5 1.0 <br /> Lead 0.5 1.0 1.5 <br /> Mercury 0.005 0.005 0.01 <br /> Nickel 1.0 2.0 3.0 <br /> Silver 0.05 0.1 0.2 <br /> Chromium (total) 0.5 1.0 5.0 <br /> Zinc 1.0 2.0 6.0 <br /> Chlorinated hydrocarbons <br /> Phenolic compounds incom- <br /> patible with the POTW <br /> (includes but is not limited <br /> to cresols and xylols) 0.05 0.05 0.01 <br /> Manganese 1.0 2.0 3.0 <br /> B arium 1.0 2.0 4.0 <br /> Selenium 0.05 0.1 0.2 <br /> Tin 0.5 0.5 1.00 <br /> Iron 10.0 20.0 30.00 <br /> Fluorides 1.2 1.5 2.00 <br /> Chlorides 200 200 250 <br /> Dissolved Solids 600 600 750 <br /> Molybdenum 2.0 4.0 5.0 <br /> Grease, fat, oil (animal ) ) ) <br /> or vegetable, free or )Maximum ) Maximum ) Maximum <br /> emulsified) 100 ) Total 100 ) Total 150 ) Total <br /> Oil, Wax, paraffin ) 100 ) 100 ) 150 <br /> (petroleum-based or ) ) ) <br /> mineral, free or ) ) ) <br /> emulsified) 10 ) 10 ) 20 ) <br /> NOTE: Sampling and measurments for compliance with limits set <br /> forth in this ordinance shall be at the user's control point. <br /> F. STATE AND FEDERAL LIMITATIONS O1`d DISCHARGES <br /> State and/or federal limitations and requirements on discharges, <br /> which apply to the POTW or its users, shall apply in all cases where <br /> they are more stringent than those contained herein, and, where <br /> state and federal limitations differ, the lower limit shall apply. <br /> G. EXCESSIVE DISCHARGE <br /> No user shall ever increase the use of potable or process water <br /> or, in any way, attempt to dilute a discharge as a partial or complete <br /> substitute for adequate treatment to achieve compliance with the <br /> limitations contained in the Federal Categorical Pretreatment stan- <br /> dards, or in any other pollutant-specific limitation developed by the <br /> City or the state, including BOD and TSS. <br /> NOTE; Dilution may, however, be acceptable as a means of <br /> controlling some of the prohibited discharge levels use of which <br /> shall be subject to the specific approval of the Superintendent. <br /> <br /> <br /> <br /> <br /> <br /> <br /> 14 <br />