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Table 2 <br /> Groundwater Sampling Anayltical Results for the <br /> Tracy Tire Fire Site, San Joaquin County, California <br /> Sample Sample Method Analyte Resul Qualifier I MDL PQ MCL Units <br /> I.D. Date <br /> General Minerals and Metals Monitoring Parameters in Groundwater <br /> PW-2 <br /> 04/22/03 9012A Cyanide, Total <0.010 0.0020 0.010 0.2 mg/L <br /> 04/22/03 7196A Hexavalent Chromium <0.010 0.0021 0.010 mg/L <br /> 04/22/03 6020 Iron 0.017 B 0.017 0.050 0.3* mg/L <br /> 04/22/03 6020 Lead 0.00010 B 0.000066 0.0010 0.015 mg/L <br /> 04/22/03 6020 Magnesium 29.2 G 0.0079 0.50 mg/L <br /> 04/22/03 6020 Manganese 0.0048 0.000087 0.0010 0.05* mg/L <br /> 04/22/03 7470A Mercury <0.0002 0.000064 0.0002 0.002 mg/L <br /> 04/22/03 6020 Molybdenum 0.0018 0.00060 0.0010 mg/L <br /> 04/22/03 6020 Nickel 0.0012 B 0.000098 0.0020 0.1 mg/L <br /> 04/22/03 300.OA Nitrate as N 5.0 Q 0.30 '0.50 45 mg/L <br /> 04/22/03 150.1 pH 7.7 0.10 0.10 pH <br /> 04/22/03 6020 Potassium 4.4 G 0.040 0.50 mg/L <br /> 04/22/03 6020 Selenium 0.0025 0.0017 0.0020 0.05 mg/L <br /> 04/22/03 6020 Silver <0.0010 0.000030 0.0010 0.1* mg/L <br /> 04/22/03 6020 Sodium 76.9 J RLA 0.11 0.50 mg/L <br /> 04/22/03 120.1 Specific Conductance 1080 2.0 2.0 0.9* umhos/cn <br /> 04/22/03 300.OA Sulfate 114 Q 1.4 10.0 250* mg/L <br /> 04/22/03 6020 Thallium <0.0010 0.00034 0.0010 0.002 mg/L <br /> 04/22/03 310.1 Total Alkalinity 159 5.0 5.0 mg/L <br /> 04/22/03 160.1 Total Dissolved Solids 661 5.4 10.0 500* mg/L <br /> 04/22/03 376.2 Total Sulfide <0.050 0.0093 0.050 mg/L <br /> 04/22/03 180.1 Turbidity <1.0 0.17 1.0 0.005* NTU <br /> 04/22/03 6020 Vanadium <0.10 G 0.031 0.10 mg/L <br /> 04/22/03 6020 Zinc 0.021 0.0010 0.0050 5 mg/L <br /> Semi-Volatile Organic Monitoring Parameters in Groundwater <br /> MW-1 <br /> 05/20/03 8270C 1,2,4-Trichlorobenzene <9.6 0.49 9.6 70 ug/L <br /> 05/20/03 8270C 1,2-Dichlorobenzene <9.6 0.62 9.6 600 ug/L <br /> 05/20/03 8270C 1,3-Dichlorobenzene <9.6 0.62 9.6 ug/L <br /> 05/20/03 8270C 1,4-Dichlorobenzene <9.6 0.52 9.6 5 ug/L <br /> 05/20/03 8270C 2,4,5-Trichlorophenol <9.6 1.9 9.6 2600/9800ug/L <br /> 05/20/03 8270C 2,4,6-Trichlorophenol <9.6 1.9 9.6 ug/L <br /> 05/20/03 8270C 2,4-Dichlorophenol <9.6 2.5 9.6 ug/L <br /> Page 10 of 49 7/17/03 <br />