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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />SURFACE WATER <br />FOOTHILL SANITARY LANDFILL <br />Units: mg/l, unless noted <br />Sample Designation S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-1 <br />Sampling Date 01/17/90 02/05/90 03/01/91 03/27/91 11/18/91 12/18/91 03/06/92 01/08/93 01/16/96 01/16/97 01/12/98 02/09/99 01/24/00 01/11/01 01/02/02 12/16/02 02/18/04 12/08/04 02/27/06 03/04/09 02/12/10 <br />Monitoring and Field Parameters <br />General Water Oualitv Parameters <br />Temperature (°C) (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />13.8 <br />10.6 <br />NT <br />11.4 <br />15.1 <br />16.1 <br />15.5 <br />12.2 <br />16.2 <br />13.6 <br />NR <br />10 <br />NR <br />Chloride <br />198 <br />3.1 <br />31.1 <br />688 <br />9.2 <br />19.4 <br />11 <br />3 <br />2 <br /><1 <br />0.15 <br /><0.010 <br />2.4 <br />2.83 <br />52 <br />6.6 <br />13 <br /><0.31 <br />1.6 <br /><1.0 <br />1 <br />Nitrate Nitrogen <br />5.4 <br /><0.05 <br />NR <br />NR <br />NR <br />NR <br />0.9 <br />0.5 <br />0.5 <br /><0.1 <br />0.034 <br />0.028 <br /><0.0043 <br /><0.045 <br />0.046 <br />0.11 <br />0.066 <br /><0.045 <br />0.27 <br /><0.10 <br /><0.10 <br />Total Dissolved Solids <br />928 <br />103 <br />345 <br />2210 <br />594 <br />138 <br />220 <br />140 <br />88 <br />80 <br />83 <br />120 <br />106 <br />154 <br />250 <br />100 <br />150 <br />120 <br />218 <br />90 <br />90 <br />Sulfate <br />135 <br />3.1 <br />39 <br />267 <br />5.5 <br />52 <br />9 <br /><5 <br />trace <br /><1 <br />1.3 <br /><0.052 <br />3.18 <br />3.18 <br />2.8 <br />2.8 <br />0.82 <br /><0.31 <br />1.4 <br /><2,0 <br /><2.0 <br />pH (units) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />7.69 <br />NT <br />7.17 <br />7.7 <br />NT <br />6.12 <br />6.85 <br />6.91 <br />8.11 <br />7.31 <br />7.30 <br />6.81 <br />NR <br />NR <br />7 <br />Electrical Conductivity (umhos/cm) <br />NR <br />107 <br />NR <br />NR <br />NR <br />NR <br />227 <br />NT <br />56 <br />10 <br />46 <br />51.5 <br />54.83 <br />73.6 <br />315 <br />66.5 <br />63.4 <br />241 <br />NR <br />82 <br />94 <br />Turbidity (NTU) (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />50.0 <br />38.5 <br />NT <br />194.3 <br />80.2 <br />NT <br />>200 <br />31.0 <br />>200 <br />86.1 <br />NR <br />34.4 <br />_ 43.2 <br />Total Suspended Solids <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />63 <br />21.5 <br />78 <br />24 <br />14 <br />44 <br />820 <br />35 <br />25 <br />__ <br />80 <br />496 <br />NR <br />NR <br />Calcium, Total 117 11.7 NR NR NR NR NR NR NR NR NR NR NR NR NR NR__ NR 52 27 8 10 <br />Magnesium, Total 42.8 4.5 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR 1.9 9.75 3 4 <br />Potassium, Total 18.3 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR 2.2 8.48 4 4 <br />Sodium, Total 108 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR 2.8 8.37 4 4 <br />Total Organic Carbon <br />44.9 <br />33.5 <br />13.6 <br />94.1 <br />20 <br />28.5 <br />1.7 <br />13.4 <br />NR <br />NR <br />NR <br />NR <br />15.9 <br />NR <br />NR <br />NR <br />NR <br />15 <br />NR <br />13.7 <br />NR <br />Alkalinity, Bicarbonate <br />301 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />30 <br />NR <br />NR <br />NR <br />20.7 <br />NR <br />NR <br />NR <br />NR <br />28 <br />34 <br />40 <br />50 <br />Alkalinity, Carbonate <br /><1 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><4 <br />NR <br />NR <br />NR <br /><0.808 <br />NR <br />NR <br />NR <br />NR <br /><5.0 <br /><2 <br /><10.0 <br /><10.0 <br />Alkalinity, Total <br />301 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />30 <br />NR <br />NR <br />NR <br />20.7 <br />NR <br />NR <br />NR <br />NR <br />28 <br />34 <br />30 <br />40 <br />Cyanide, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NR <br />NR <br />NR <br /><0.002 <br />NR <br />NR <br />NR <br />NR <br /><0.017 <br />NR <br /><0.004 <br />NR <br />Sulfide <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.6 <br />NR <br />NR <br />NR <br /><0.5 <br />NR <br />NR <br />NR <br />NR <br /><0.20 <br />NR <br /><O.1 <br />NR <br />Chemical Oxygen Demand <br />136 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />32 <br />NR <br />NR <br />NR <br />37.5 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Dissolved Oxygen <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />11.80 <br />NR <br />NR <br />NR <br />1.61 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Alkalinity, Hydroxide <br /><1 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.808 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><10.0 <br />NR <br />Hardness, Total <br />NR <br />47.8 <br />162 <br />837 <br />35.7 <br />163 <br />380 <br />30 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Oil and Grease <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.6 <br />NR <br />NR <br />NR <br />1.28 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Volatile Organic Compounds (EPA Method 8260 <br />All Compounds NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR ND ND <br />Semivolatile Organic Compounds (EPA Method 3520/8270) <br />All Compounds NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NO NR <br />Organo-Phosporus Pesticides (EPA Method 8141Bl <br />All Compounds NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR ND NR <br />Aluminum, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />2.9 <br />NR <br />NR <br />NR <br />0.723 <br />NR <br />NR <br />NR <br />NR <br />0.44 <br />NR <br />0.04 <br />NR <br />Antimony, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.5 <br />NR <br />NR <br />NR <br /><0.0069 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.001 <br />NR <br />Arsenic, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.002 <br />NR <br />NR <br />NR <br /><0.0096 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.002 <br />NR <br />Barium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.10 <br />NR <br />NR <br />NR <br />0.0677 <br />NR <br />NR <br />NR <br />NR <br /><0.I0 <br />NR <br />0.0795 <br />NR <br />Beryllium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.002 <br />NR <br />NR <br />NR <br /><0.0006 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br /><0.0002 <br />NR <br />Boron, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.01 I <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Cadmium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NR <br />NR <br />NR <br /><0.018 <br />NR <br />NR <br />NR <br />NR <br /><0.0005 <br />NR <br /><0.0002 <br />NR <br />Chromium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br />NR <br />NR <br /><0.0028 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br /><0.001 <br />NR <br />Chromium Hexavalent <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.0023 <br />NR <br />NR <br />NR <br /><0.0018 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Cobalt, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.01 <br />NR <br />NR <br />NR <br /><0.0014 <br />NR <br />NR <br />NR <br />NR <br /><0.040 <br />NR <br />0.0002 <br />NR <br />Copper, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.01 <br />NR <br />NR <br />NR <br /><0.0021 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br />0.008 <br />NR <br />Iron, Dissolved <br />0.19 <br />2.8 <br />0.43 <br />0.11 <br />0.15 <br />0.25 <br />0.59 <br />0.13 <br />2.6 <br />NR <br />NR <br />NR <br />0.681 <br />NR <br />NR <br />NR <br />NR <br />0.38 <br />NR <br />0.27 <br />NR <br />Lead, Dissolved <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.002 <br />NR <br />NR <br />NR <br /><0.0099 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.0002 <br />NR <br />Manganese, Total <br />NR <br />0.036 <br />0.012 <br />1.3 <br />0.067 <br />0.28 <br />2 <br /><0.05 <br />0.07 <br />NR <br />NR <br />NR <br />0.0193 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br />7.4 <br />NR <br />Mercury, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.0005 <br />NR <br />NR <br />NR <br />ND <br />NR <br />NR <br />NR <br />NR <0.000025 <br />NR <br /><0.00002 <br />NR <br />Nickel, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.02 <br />NR <br />NR <br />NR <br /><0.0053 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br />0.001 <br />NR <br />Selenium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NR <br />NR <br />NR <br /><0.018 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />R <br /><0.002 <br />NR <br />Silver, Tqtal <br />�[(j , <br />\Ij�. <br />_ NR <br />NR <br />NR <br />NR <br />NR <br />N <br />5 <br />NR <br />NR <br />NR <br /><0.0013 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br /><0.001 <br />NR <br />