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mm am®® r==®= aM M r M® ® m r <br />HISTORICAL ANALYTICAL RESULTS <br />SURFACE WATER <br />CORRAL HOLLOW SANITARY LANDFILL <br />SW -2 <br />Units: mg/l, unless noted <br />Sample Designation <br />Sampling Date <br />SW -2 <br />04/19/99 <br />SW -2 <br />02/19/00 <br />SW -2 <br />03/05/01 <br />SW -2 <br />01/08/02 <br />SW -2 <br />12/17/02 <br />SW -2 <br />02/17/04 <br />SW -2 <br />01/05/05 <br />SW -2 <br />01/03/06 <br />SW -2 <br />04/15/10 <br />SW -2 <br />1/27/2011 <br />Monitoring and Field Parameters <br />General Water Quality Parameters <br />NR <br /><0.808 <br />NR <br />NR <br /><0.54 <br />19 <br />30 <br />>2.2 <br />17 <br />18 <br />Temperature, Field (°C) <br />_ 26 <br />16.3 <br />15.4 <br />11.1 <br />12.6 <br />14.0 <br />14.8 <br />12.1 <br />25.8 <br />12.1 <br />Electrical Conductivity (umhos/cm) <br />1,648 <br />1,261 <br />583 <br />2,512 <br />330 <br />2591 <br />316 <br />228 <br />1492 <br />2068 <br />pH, field (units) <br />7.89 <br />6.28 <br />7.8 <br />8.37 <br />6.91 <br />8.54 <br />6.41 <br />6.31 <br />8.3 <br />8.13 <br />Turbitity, Field (NTU) <br />2.7 <br />>200 <br />>200 <br />118.00 <br />7200 <br />39.7 <br />46.7 <br />>200 <br />1076 <br />36.1 <br />Total Dissolved Solids <br />1765 <br />846 <br />383 <br />1,700 <br />500 <br />1800 <br />1800 <br />420 <br />980 <br />1400 <br />Total Suspended Solids <br />4 <br />1530 <br />756 <br />8 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />_ <br />Chloride <br />163 <br />93.9 <br />32.7 <br />300 <br />84 <br />320 <br />300 <br />33 <br />140 <br />230 <br />_Sulfate 390 306 108 700 200 650 620 83 3_50 47U <br />Nitrate -Nitrite as Nitrogen 0.027 0.61 0.131 0.17 0.12 <0.045 <0.23 1.1 <0.014 0.21 <br />_ <br />Calcium 78 120 530 48.6 89 72 <br />-- - - - - <br />_ Potassium 15 5.2 31 10.2 6.7 6.6 <br />Magnesium 53 75 270 26.5 50 60 <br />Sodium 80 360 340 54.6 210 320 <br />Volatile Organic Compounds (ug/1) - <br />Acetone 3.4 8.5 ND ND <br />All Other Compounds ND ND <br />Semivolatile Organic Compounds (EPA Method 8270C) <br />All Compounds ND ND <br />Constituents of Concern Parameters <br />Alkalinity, Bicarbonate <br />NR <br />210 <br />_NR <br />NR <br />170 <br />320 <br />400 <br />140 <br />300 <br />360 <br />Alkalinity, Carbonate <br />NR <br /><0.808 <br />NR <br />NR <br /><0.54 <br />19 <br />30 <br />>2.2 <br />17 <br />18 <br />Total Alkalinity <br />_ <br />NR <br />210 <br />NR <br />NR <br />170 <br />340 <br />430 <br />NR <br />270 <br />320 <br />Cyanide, Total <br />NR <br /><0.002 <br />NR <br />NR <br />NR <br />NR <br /><0.025 <br />NR <br /><0.0028 <br />NR <br />_ <br />Sulfide <br />NR <br /><0.5 <br />NR <br />NR <br />NR <br />NR <br />0.12 <br />_NR <br /><0.050 <br />_ NR <br />_ _ <br />Total Organic Carbon <br />NR_ <br />9.55 <br />_ <br />NR <br />NR <br />NR <br />NR <br />6.3 <br />NR <br />5.6 <br />NR <br />Chemical Oxygen Demand <br />NR <br />90.6 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Dissolved O_ xygen <br />NR <br />4.14 <br />NR <br />NR <br />NR <br />Nit <br />NR <br />NR <br />_ NR <br />NR <br />(lil and Grease <br />NR <br /><1 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />_ NR <br />Organic compounds detected in one or more samples are listed. <br />NR = Not Requested <br />ND = Not Detected <br />iSV = insufficient Volume <br />