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Table 4 <br /> Soil Sample Analytical Results <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> Sample Date TPH-GRO Benzene Toluene Ethylbenzene Xylenes MtBE <br /> Consultant Borehole Depth Collected (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) <br /> (feet bgs) <br /> 5 6/22/2010 0.044 <0.0050 0.012 <0.0050 0.005 <0.0050 <br /> 10 6/22/2010 <0.20 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 15 6/22/2010 <0.20 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 20 6/22/2010 4.0 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 25 6/22/2010 0.10 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 30 6/22/2010 380 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> Stantec CB-1 35 6/22/2010 63 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 40 6/22/2010 16,000 2.3 470 170 2,000 <1.0 <br /> 45 6/22/2010 7,500 <1.0 0.81 19 250 <1.0 <br /> 50 6/22/2010 3,900 0.26 26 21 240 <1.0 <br /> 55 6/22/2010 260 <1.0 0.36 <1.0 3.1 <1.0 <br /> 60 6/22/2010 <0.20 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> 65 6/22/2010 <0.20 <0.0050 <0.0050 <0.0050 <0.010 <0.0050 <br /> Environmental Screening Levels 83 0.044 2.9 3.3 2.3 0.023 <br /> bgs=below ground surface <br /> mg/kg=milligrams per kilogram <br /> TPH-GRO=total petroleum hydrocarbons as gasoline range organics <br /> MtBE=methyl tert-butyl ether <br /> (1)California Regional Water Quality Control Board, San Francisco Bay Region, Screening for <br /> Environmental Concerns at Sites with Contaminated Soil and Groundwater, Interim Final-May 2008 <br /> Bold text denotes concentrations above laboratory reporting limits(LRLs) <br /> Blue text denotes concentrations above Environmental Screening Levels for Commercial/Industrial Land Use <br /> ND=not detected at or above laboratory reporting limits <br /> <=not detected at or above laboratory reporting limits <br /> NA=not analyzed <br /> 3of3 <br />