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WASTE DISCHARGE REQL&MENTS ORDER NO. R5-2004-00210 -33- <br /> CITY OF MANTECA, CITYLATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> Monthly Weekly 1-Hour Daily <br /> Constituents Units Average Average Average Maximum <br /> Total Suspended mg/1 102 202 --- 302 <br /> Solids <br /> lb/day' 820 1650 --- 2470 <br /> Total Coliform MPN/100ml --- 2.2' --- 23/2405 <br /> Turbidity NTU --- --- 26 5/10' <br /> Settleable Solids ml/1 0.1 --- --- 0.2 <br /> Chlorine Residual mg/1 --- 0.018 0.02 --- <br /> Oil and Grease mg/l 10 --- --- 15 <br /> lb/day' 820 --- --- 1230 <br /> Aluminum' ug/l 71 --- --- 140 <br /> lb/day' 5.8 --- --- 12 <br /> Electrical Conductivity umhos/cm 700 --- <br /> (1 April to31 August) <br /> Electrical Conductivity umhos/cm 1000 --- --- --- <br /> (1 Sept to 31 March) <br /> Ammonia (June-Sept) mg N/1 2.1 --- --- 4.4 <br /> lb/day' 170 --- --- 360 <br /> Ammonia (Oct-May) mg N/1 2.8 --- --- 5.6 <br /> lb/day' 230 --- --- 460 <br /> Arsenic ug/1 10 — --- --- <br /> lb/day' 0.82 --- --- --- <br /> Copper ug/I 7.9 --- --- 10.4 <br /> lb/day' 0.65 --- --- 0.86 <br /> Cyanide ug/1 3.7 --- --- 10 <br /> lb/day' 0.30 --- --- 0.82 <br /> Iron ug/1 300 --- -- <br /> lb/day' 25 --- --- --- <br /> Manganese ug/l 50 --- -- <br /> lb/day' 4.1 --- --- --- <br />