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VAN <br /> EPA Method 8015M <br /> EPA Method 8260 <br /> Sample SDepth Number pth TPH as TPH as Diesel ('VOCs) <br /> Gasoline (mg/kg) (mg/kg) <br /> (mg/kg) <br /> B6-5 5 5.3 1,400 0.016 cert-Butyl benzene <br /> 880(as motor oil) 0.011 Ethylbenzene <br /> 0.089 Isopropylbenzene <br /> 0.006 p-isopropyltoluene <br /> 0.009 n-propylbenzene <br /> 0.005 1,2,4-Trimethylbenzene <br /> 0.11 1,3,5-Trimethylbenzene <br /> 0.045 total Xylene <br /> B6-10 10 NA✓ NA NA'-- <br /> B6-15 15 NA NA/ NA/ <br /> ' MW2-5 5 2.0 ND 0.008 n-Butylbenzene <br /> 0.012 sec-Burylbenzene <br /> 0.008 n-Propylbenzene <br /> 0,014 1,3,5-Trimethylbenzene <br /> MW2-10 10 NA NA NA <br /> MW2-15 15 ND ND ND <br /> ' MW2-20 20 NA r NANA - <br /> i <br /> MW2-25 25 NA ✓ NA NA <br /> MW2-30 30 ND ND ND <br /> MW3-5 5 ND ND ND <br /> ' MW3-10 10 NA NA NA <br /> MW3-15 15 ND ND ND <br /> MW3-20 20 NA NA NA <br /> MW3-25 25 ND ND ND <br /> MW3-30 30 NA NA NA <br /> ' MW3-35 35 ND ND ND <br /> Note: Depths of samples from borings 85 and B6 are from the basement floor, which is 8 to 9 feet bgs <br /> ND = Not Detected at Method Detection Limits <br /> NA = Not Analyzed <br /> Detection Limits : EPA Method 8015M = 0.5 mg/kg for gasoline; 10 mg/kg for diesel <br /> EPA Method 8260 = 0.0025-0.01 mg/kg,depending on analyte <br /> 5.2 Groundwater Samples <br /> The groundwater samples collected from monitoring wells MW1, MW2 and <br /> MW3 were analyzed for TPH as gasoline and diesel in accordance with EPA <br /> Method 8015M and for VOCs in accordance with EPA Method 8260. <br /> Groundwater samples from boring B3 were analyzed only for VOCs and not for <br /> CRC Environmental Risk Management,Inc. Project p 2100-250-2 <br /> American Savings Bank 222 North El Dorado Street <br /> Novemw3, 1995 Stockton,California <br /> 10 <br />