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TABLE 2 GROUNDWATER RESULTS FOR DETECTION MONITORING PROGRAM WELLS SECOND SEMIANNUAL 2008 FRENCH CAMP LANDFILL SAN JOAQUIN COUNTY,CALIFORNIA Concentration MW-6A MW-7A I MW-8A MW-9A MW-9B I MW-10A Analyte Units Limit 8/19/08 8/19/08 8/19/08 1 8/19/08 8/19/08 8/19/08 Field Parameters H Units 6.9-10.21 6.70 7.04 6.85 6.48 6.88 6.33 Specific Conductance mhos/cm 2500 1560 9101 730 1760 1680 2460 Temperature "C 21.69 20.7 18.21 21.0 24.0 23.4 24.3 Turbidity NTU 1000 0 01 0 0 0 0 Monitoring Parameters Bicarbonate mg/1 1200 780 520 500 870 440 990 Calcium mg/1 126.1 61 85 61 120 150 160 Carbonate m 1 8 6.0 3.0 3.0 6.0 3.0 6.0 Chloride mgll 249 130 84 36 83 510 430 Magnesium mg/1 75 38 30 31 64 73 90 Nitrate as N m 1 19.3 7.6 0.018 0.018 12 0.16 3.5 Non-Volatile Organic Carbon m I NA 1.9 3.0 1.6 2.6 19 6.6 Potassium m I 2.164 1.1 1.9 1.8 2.0 4.0 2.1 Sodium mg1I 480 270 90 92 220 170 320 Sulfate Me 358 87 0.31 29 210 47 100 Total Cyanide m l NA 0.0032 0.0032 0.0032 0.0032 0.0032 0.0032 Total Dissolved Solids mg/1 1600 1100 560 500 1200 1300 1700 Total Sulfide Me NA 0.050 0.050 0.050 0.050 0.050 0.050 Total Aluminum mg/1 1** 0.028 0.120 0.028 0.028 0.028 0.047 Total Antimony mg/1 0.006** 0.014 0.014 0.014 0.014 0.014 0.014 Total Arsenic Me 0.01** 0.032 0.0030 0.00082 0.00082 0.00082 0.0020 Total Barium m 1 1** 0.150 0.550 0.310 0.084 0.800 0.410 Total Beryllium mg/1 0.004** 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 Total Boron mg/1 NA 0.590 0.310 0.280 1.000 0.380 0.990 Total Cadmium mg/1 0.005** 0.0014 0.0014 0.0014 0.0014 0.0014 0.0014 Total Chromium m I 0.05** 0.0031 0.0023 0.0023 0.0025 0.0028 0.0028 Total Cobalt mg/1 NA 0.0047 0.0047 0.0047 0.0047 0.0047 0.0055 Total Copper mo 1** 0.0014 0.0014 ___0.0014___0.0014 0.0014 0.0021 Total Iron mg1I 0.3** 0.000040 0.00047 0.000040 0.000040 0.00039 0.000060 Total Lead mg/1 0.5** 0.00068 0.000821 0.00070 0.00069 0.000731 0.00079 Total Manganese mfzI 0.05** 0.000012 0.00044 0.00028 0.0000020 0.00072 0.0022 Total Mercury m I 0.02** 0.000080 0.000016 0.000016 0.000016 0.000016 0.000016 Total Molybdenum mg/1 NA 0.027 0.0062 0.0078 0.0061 0.0061 0.0061 Total Nickel mg/1 0.1** 0.0023 0.0023 0.0023 0.0023 0.0033 0.0091 Total Selenium mo 0.01** 0.0013 0.00050 0.00050 0.0042 0.0052 0.0028 Total Silver mg/1 0.5** 0.0025 10.0025 0.0025 10.0025 10.0025 0.0025 Total Thallium mg/1 NA 0.000054 0.000054 0.000054 0.000054 0.000054 0.000054 Total Tin mg/1 NA 0.0000077 0.0000077 0.0000077 0.0000077 0.0000077 0.0000077 Total Vanadium mg/1 NA 0.071 0.0024 0.0024 0.018 0.0024 0.0090 Total Zinc m I 5** 10.0089 0.013 0.0089 0.0096 0.012 0.013 Volatile Organic Compounds Chloroform I 0.50 0.81 0.23 10.23 10.23 10.23 10.23 Trichlorofluoromethane 1 1 0.50 10.22 10.22 10.22 1 0.61 0.22 16.22 Semi-Volatile Organic Com wads bis 2-Eth lhex I hthalate 1 5.0 2.5*1 2.7*1 2.3* 2.3* Herbicide&Pesticides: None Detected Notes: Concentration Limits submitted by Herst Associates,Inc. °C=degrees Celsius mg/1=milligrams per liter NTU=nephelometric turbidity units µg/1=micrograms per liter µmhos/cm=micromhos per centimeter Indicates that the analyte was not detected above laboratory practical quantitation limit. Value listed is laboratory detection limit or estimated trace(BOLDED)concentration. NA=Not Applicable *Documented laboratory contaminant. **State or Federal Maximum Contaminant Limit(MCL). CLA/200S-W /FCLF-28A08 TabI-10/29/2009