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TABLE 2 GROUNDWATER RESULTS FOR DETECTION MONITORING PROGRAM WELLS SECOND SEMIANNUAL 2009 FRENCH CAMP LANDFILL SAN JOAQUIN COUNTY,CALIFORNIA Concentration MW-6A MW-7A MW-8A MW-9A MW-9B MW-l0A DUP Anal to Units Limit 8/19/09 8/19/09 8/19/09 8/19/09 8/19/09 8/19/09 8/19/09 Field Parameters H Units 6.9-10.2-1-- 6.65 7.01 6.721 6.31 6.77 6.22 NA S eciftc Conductance mhos/cm 2500 14201 853 7761 2070 1950 3230 NA Temperature °C 21.69 20.71 17.9 20.91 23.4 23.3 24.0 NA Turbidity NTU 1000 0 1 01 0 1 0 NA Monitoring Parameters Bicarbonate M&A NA 650 490 470 860 500 1000 1000 Calcium m 1 NA 49 77 61 140 160 200 190 Carbonate Me NA 5.0 2.5 2.5 5.0 15.0 5.0 5.0 Chloride mg/1 249 110 94 56 92 480 600 600 Magnesium mg/1 NA 30 27 31 76 75 110 110 Nitrate as N mg/1 1 19.3 5.3 0.29 0.026 20 0.23 7.0 6.8 Non-Volatile Organic Carbon mg/1 NA 1.5 2.41 1.6 2.5 20 9.8 9J Potassium Me NA 1.2 1.9 2.0 2.3 4.2 2.6 2.6 Sodium m I NA 260 110 100 260 200 400 410 Sulfate mg1I 358 67 s;0.81 26 310 61 120 110 Total Dissolved Solids m 1 1600 900 570 540 1500 13001 2000 2000 Total Cyanide m I NA 0.0028 0.0028 0.0028 0.0028 0.0028 10.0028 0.0028 Total Sulfide m I NA 0.050. 0.050 0.050 0.050 0.050 10.050 0.050 Total Aluminum MLI 1** 0.038 0.074 0.038 0.038 0.038 0.210 0.10 Total Antimony mfZI 0.006** 0.034 0.034 - 0.034 0.034 , 0.034 0.034 0.034 Total Arsenic m 1 0.01** 0.036 0.004 0.0011 0.11014 0.0017 0.0037 0.0037 Total Barium mg/1 1** 0.120 0.470 0.310 0.084 0.960 0.430 0.440 Total Beryllium mg/1 0.004** 0.00044 0.00044 0.00044 0.00044 0.00044 0.00044 0.00044: Total Boron m 1 NA 0.490 0.340 0.290 1.200 0.430 1.100 1.100 Total Cadmium MLI 0.005** 0.00057 0.00057 10.00057 0.00057 0.00057 10.00057 - 0.00057 Total Chromium MLI 0.05** 0.0021 0.00080 0.00080 0.00080 0.0011 0.00094 0.00080 Total Cobalt m I NA 0.0022 0.0022 0.0022 0.0022 0.0022 0.0022 0.0025 Total Copper MLI 1** 0.0015 0.0015 0.0015 0.0015 0.0015 0.0034 ' 0.0029 Total Iron m I 0.3** 0.050* 0.380 0.014* 0.014* 0.530 0.410 0.220 Total Lead MLI 0.5** 0.00019 0.00019 0.00019 0.00019 ` 0.00019 0.00019 0.00019 Total Manganese MLI 0.05** 0.0056 0.340 0.330 0.01 0.730 1.400 1.400 Total Mercury m 1 0.02** 0.000016 0.000016 0:000016 0.000016 0.00004*1 0:000032* 0.000025* Total Nickel MLI 0.1** 0.0015 0.0015 0.0015 0.0015 0.0035 0.011 0.010 Total Selenium mg/1 0.01** 0.0013 0.00054 0.00054 0.009 0.0091 0.0083 0.0072 Total Silver m I 0.5** 0.0019 0.0019' 0.0019 0.0019 0.0019 0.0019 0.0019 Total Thallium mfZI NA 0.00011 0.00011 0.00011 0.00011 0.00011- 0.00011 0.00011 Total Tin mg1I NA 0.0090 0.0090' 00090 0:0090 0.0090 0.0090 0.0090 Total Vanadium m t NA 0.073 0.0015 10.0015 0.015 0.0015 0.013 0.013 Total Zinc m I 5** 0.0079* 0.012* 0.010* ' 0.0066*1 0.010* 0.013* 0:0098* Volatile O anic Compounds Chloroform r1 0.50 1.5 0.23 10.23` 0.23 10.23 10.23 10.23 Semi-Volatile Organic Compounds: None Detected 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 pmhos/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). GLA/2009.001WFCLF-2SA09 TAA-1./1/27/2010