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HISTORICAL SUMMARALYTICAL RESULTS <br />SURF ER <br />FOOTHILL SA LANDFILL <br />Unpm,unless noted <br />Sample Designation S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 S-2 <br />Sampling Date 02/05/90 03/01/91 03/27/91 11/18/91 12/18/91 03/06/92 01/08193 01/16/96 01/16/97 03/11/98 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 2/18/2011 <br />Monitoriag and Field Parameters <br />Temperature (°C) (field) NR NR NR NR NR NR NR 13.1 17.1 NT 11.2 15.2 11.9 13.7 12.1 15.5 14.1 NR 10 NR NR <br />Chloride 1.4 14.5 <I 4.5 29.7 10 4 2 3 0.5 0.66 2.44 2.83 1.9 4.7 10 <0.31 1.3 <I.0 2 2 <br />Nitrate Nitrogen 0.093 NR NR NR NR 0.4 1.3 0.5 <.I 0.051 0.34 <0.0043 10.045 0.057 0.093 <0.045 <0.045 0.13 <0.1 <0.1 <0.1 <br />Total Dissolved Solids 62 78 201 125 637 170 260 80 215 98 176 109 133 160 120 130 92 191 60 100 80 <br />Sulfate 1.3 4.4 <I 2.6 78.2 <8 700 trace 11.8 0.94 1.4 3.09 4.24 1.4 2.0 0.71 <0.31 1.3 <2.0 <2.0 <.0 <br />pH (units) NR NR NR NR NR 7.05 NT 6.85 9.73 NT 6.16 6.85 7.02 8.01 7.30 7.21 6.91 NR NR 7.12 7.1 <br />Electrical Conductivity(umhos/cm) 45.5 NR NR NR NR 93 NT 52 180 50 49.1 50.45 90.31 161 65.3 60.8 228 NR 64 131 61 <br />Turbidity (NTU) (field) NR NR NR NR NR NR NR 57.0 148 NT >200 183.2 NT >200 26.6 >200 94.6 NR 35.7 26.6 121 <br />Total Suspended Solids NR NR NR NR NR NR NR 73 17.5 59 27 33_ _.. _ 9___ _ 170 69 21 64 52 NR NR NR <br />Alkalinity Bicarbonate <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />26 <br />NT <br />NT <br />NT <br />21.1 <br />NR <br />NR <br />NR <br />NR <br />25 <br />38 <br />40 <br />70 <br />30 <br />Alkalwty, Carbonate <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><4 <br />NT <br />NT <br />NT <br />10.808 <br />NR <br />NR <br />NR <br />NR <br />6.0 <br />< <br /><10 <br />110 <br /><10 <br />AlkalinityTotal <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />26 <br />NT <br />NT <br />NT <br />21.1 <br />NR <br />NR <br />NR <br />NR <br />25 <br />38 <br />30 <br />60 <br />20 <br />Cyanide Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NT <br />NT <br />NT <br />0.00317' <br />NR <br />NR <br />NR <br />NR <br /><0.017 <br />NR <br /><0.004 <br />NR <br />NR <br />Sulfide <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.6 <br />NT <br />NT <br />NT <br /><0.5 <br />NR <br />NR <br />NR <br />NR <br />0.09 <br />NR <br /><0.1 <br />NR <br />NR <br />Chemical Oxygen Demand <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />28 <br />NT <br />NT <br />NT <br />37.5 <br />NR <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 />11.80 <br />NT <br />NT <br />NT <br />1.81 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Alkalinity Hydroxide <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NT <br />NT <br />NT <br />/9.808 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><10 <br />NR <br />NR <br />Hardness, Total <br />46.5 <br />13.2 <br />20 <br />27.7 <br />676 <br />53 <br />39 <br />NR <br />NT <br />NT <br />NT <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 />0.5 <br />NT <br />NT <br />NT <br />1.47 <br />NR <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 <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 />NR <br />NR <br />NR <br />NR <br />NR <br />ND <br />NR <br />NO <br />Semivolatile Organic Compounds (EPA Medwd 3520/8270) <br />All Compounds <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 />NR <br />NR <br />NR <br />NR <br />NR <br />ND <br />NR <br />NR <br />Organo-Phosporus Pesticides (EPA Method 814IB) <br />All Compounds <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 />NR <br />NR <br />NR <br />NR <br />NR <br />NO <br />NR <br />NR <br />Msdgla <br />Aluminum, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />2.7 <br />NT <br />NT <br />NT <br />0.968 <br />NR <br />NR <br />NR <br />NR <br />0.41 <br />NR <br />0.04 <br />NR <br />NR <br />Antimony Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.5 <br />NT <br />NT <br />NT <br />10.0069 <br />NR <br />NR <br />NR <br />NR <br />10.005 <br />NR <br /><0.001 <br />NR <br />NR <br />Arsenic, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.002 <br />NT <br />NT <br />NT <br /><0.0096 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.002 <br />NR <br />NR <br />Barium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.11 <br />NT <br />NT <br />NT <br />0.0667 <br />NR <br />NR <br />NR <br />NR <br /><0.10 <br />NR <br />0.0647 <br />NR <br />NR <br />Beryllium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.002 <br />NT <br />NT <br />NT <br /><0.0006 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br />/9.0002 <br />NR <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 /><0.011 <br />NR <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 /><0.003 <br />NT <br />NT <br />NT <br /><0.0018 <br />NR <br />NR <br />NR <br />NR <br /><0.0005 <br />13.9 <br />10.0002 <br />NR <br />NR <br />Clnomium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NT <br />NT <br />NT <br /><0.0028 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br /><0.001 <br />NR <br />NR <br />Chromium Hexavalent <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.0023 <br />NT <br />NT <br />NT <br /><0.0018 <br />NR <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 />19.01 <br />NT <br />NT <br />NT <br /><0.0014 <br />NR <br />NR <br />NR <br />NR <br /><0.040 <br />NR <br />10.0002 <br />NR <br />NR <br />Copper Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.01 <br />NT <br />NT <br />NT <br /><0.0021 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br />0.009 <br />NR <br />NR <br />Iron, Total <br />14.7 <br />0.28 <br />0.33 <br />0.12 <br /><0.1 <br />1.7 <br /><0.05 <br />2.4 <br />NT <br />NT <br />NT <br />0.905 <br />NR <br />NR <br />NR <br />NR <br />0.35 <br />NR <br />0.25 <br />NR <br />NR <br />Lead, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.002 <br />NT <br />NT <br />NT <br /><0.0099 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br />0.0003 <br />NR <br />NR <br />Manganese Total <br />0.18 <br />10.01 <br />19.01 <br /><0.01 <br />0.87 <br />0.41 <br /><0.05 <br />0.08 <br />NT <br />NT <br />NT <br />0.0269 <br />NR <br />NR <br />NR <br />NR <br /><0.010 <br />NR <br />4 <br />NR <br />NR <br />MercuryTotal <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.0005 <br />NT <br />NT <br />NT <br />NO <br />NR <br />NR <br />NR <br />NR <br /><0.000025 <br />NR <br /><0.00002 <br />NR <br />NR <br />Nickel, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.02 <br />NT <br />NT <br />NT <br /><0.0053 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br />0.001 <br />NR <br />NR <br />Selenium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NT <br />NT <br />NT <br /><0.018 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.002 <br />NR <br />NR <br />Silver, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NT <br />NT <br />NT <br /><0.0013 <br />NR <br />NR <br />NR <br />NR <br />10.010 <br />NR <br /><0.001 <br />NR <br />NR <br />Thallium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.003 <br />NT <br />NT <br />NT <br /><0.012 <br />NR <br />NR <br />NR <br />NR <br /><0.005 <br />NR <br /><0.0002 <br />NR <br />NR <br />Tin, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.1 <br />NT <br />NT <br />NT <br /><0.1264 <br />NR <br />NR <br />NR <br />NR <br /><0.25 <br />NR <br />10.02 <br />NR <br />NR <br />Vanadium, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><0.01 <br />NT <br />NT <br />NT <br /><0.0024 <br />NR <br />NR <br />NR <br />NR <br /><0.040 <br />NR <br />0.003 <br />NR <br />NR <br />Zinc, Total <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.02 <br />NT <br />NT <br />NT <br />0.00715 <br />NR <br />NR <br />NR <br />NR <br />/9.010 <br />NR <br />0.01 <br />NR <br />NR <br />NR ® Not Required <br />NT = Mm T -.A <br />n:\consuldng\data\vhare4Aprojects\als\gmr\79\791289\FH-Hist (2).xls <br />