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WASTE DISCHARGE REQMENTS ORDER NO. R5-2004-002* -29- <br /> CITY OF MANTECA, CITY OF LATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUINCOUNTY <br /> Monthly Weekly 1-Hour Daily <br /> Constituents Units Average Average Average Maximum <br /> Total Suspended Solids mg/1 202 302 --- 502 <br /> lb/day3 1160 1740 --- 2900 <br /> Total Coliform MPN/100ml --- 23" --- 500 <br /> Settleable Solids ml/l 0.1 --- — 0.2 <br /> Chlorine Residual mg/1 --- 0.015 0.02 --- <br /> Oil and Grease mg/l 10 --- --- 15 <br /> lb/day3 580 --- --- 870 <br /> Alummumb ug/l 71 --- --- 140 <br /> lb/day3 4.1 --- --- 8.1 <br /> Electrical Conductivity umhos/cm 1000 __ --- --- <br /> Ammonia (June-Sept) mg N/1 2.1 --- --- 4.4 <br /> lb/day' 120 --- --- 260 <br /> Ammonia (Oct-May) mg N/1 2.8 --- --- 5.6 <br /> lb/day' 160 --- --- 320 <br /> Arsenic ug/1 10 --- --- --- <br /> lb/day' 0.58 -- --- --- <br /> Copper ug/1 7.9 --- --- 10.4 <br /> lb/day' 0.46 --- --- 0.60 <br /> Cyanide ug/l 3.7 --- --- 10 <br /> lb/day3 0.21 --- --- 0.58 <br /> Iron ug/1 300 --- --- --- <br /> Ib/day3 17 --- --- --- <br /> Manganese ug/l 50 --- --- --- <br /> lb/day' 2.9 --- --- --- <br /> Methylene blue active ug/l 500 --- --- --- <br /> substances(MBAS) <br /> lb/day3 29 --- --- --- <br />