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r t <br /> pp <br /> 14 <br /> V� <br /> Table 1 <br /> Results of Previous Soil Sampling by WHF <br /> Environmental Consultants and SEMCO <br /> Total Petroleum Hydrocarbons _ Volatile Aromatic Hylcarbons <br /> Sample Ethyl- <br /> No. Diesel Gasoline Benzene Toluene Benzenes Xylenes <br /> * WHF-Borings,Samples Collected at 15'depth,January,1990 <br /> Bl 1500 ' 170 ' 0.3 ND 0.8 .0.5. <br /> B2 NA ND ND ND ND ND <br /> B3 ND ND ND ND ND ND <br /> B4 NA` ND ND ND ND ND <br /> B5 ND NA NA- NA NA NA_' <br /> B6 ND ND ND ND ND ND <br /> **SEMCO-Samples Collected During Tank Removal,May,1990 <br /> Tank 1 North ND NA ND ND ND ND <br /> Tank 1 South ND NA ND ND ND ND <br /> Tank 2 North ND NA ND ND ND ND <br /> .Tank 2 South 900 NA` ND ND 0,1 ND <br /> Tank 3 North ND NA ND ND ND ND <br /> f_ <br /> Tank 3 South 3000 NA ND ND 0.08-: 0.18' <br /> Tank 4 North 520 310: ND ND 3.9 16: <br /> Tank 4 South 1600 260 0.053 2.3 9.5. 3_:1 <br /> Tank 5 West 940 1200 ND 0.39: 13.:" 46 <br /> _ Tank S East ND ND ND ND ND ND <br /> ***WHF-Samples Collected in Excavation,September,1990 <br /> West Miall "900 ND ND 0.006 ND 0.016 1, <br /> Pit Floor ND ND ND 0.0064 ND 0:018' <br /> Results Reported in ppm <br /> 4 <br /> Notes: *Analyses Performed by Mobile Chem Labs,Inc. <br /> **Analyses Performed by California Water Labs <br /> ***Analyses Performed by Geo Analytical Laboratories,Inc. <br /> ND=Non Detect <br /> NA=Not Analyzed <br />