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Table 5 <br /> Historical Soil Analytical Data Compared to San Francisco Bay Regional Water Quality Control Board Environmental Screening Levels <br /> ARCO Service Staton 2130 <br /> 7906 North EI Dorado Street <br /> Stockton, California <br /> Sample TPH as TPH as <br /> Sample Depth Date Gasoline Diesel Benzene Toluene Ethylbenzene Xylenes MUSE Lead <br /> Name (feet) Sampled (mg/kg) (mg/kg) (mg/kg) (mg/kg ) (mg/kg) (mg/kg) (mg/kg ) (mg/kg) <br /> Residential ESL' Indoor Air 0.18 133.72 392.72 312.07 2.00 <br /> Residential ESL' Dermal Contact 402.35 0.18 101 .08 395.32 2.7E+02 (PRG) 30.39 150.00 <br /> ommericial ESL ' Dermal Contact 747.48 0.38 339.68 395.32 418.43 67.73 750.00 <br /> ommericial ESL ' Indoor Air 0.51 312.01 392.72 416.11 5.60 <br /> Construction Worker ESL Dermal Contact 5987.53 15.91 654.10 395.32 418.43 2528.48 750.00 <br /> Underground Storage Tanks (UST) - <br /> T1A 16 08/20/93 41000 NA 1 .7 120 100 620 NA NA <br /> T1B 16 08/20/93 NO NA NO NO NO NO NA NA <br /> T2A 16 08/20/93 3,400 NA 2.4 38 50 330 NA 28 <br /> T2B 16 08/20/93 NO NA ND ND ND NO NA 6.7 <br /> T3A 16 08/20/93 1 .6 NA ND 0.0073 NO 0.031 NA 6.4 <br /> T3B 16 08/20/93 NO NA ND ND ND NO NA 6.4 <br /> T4A 16 08/20/93 29200 NA 2.7 2.9 NO 31 NA NA <br /> T4B 16 08/20/93 1 .8 NA 0.21 ND ND 0.029 NA NA <br /> Product Line <br /> Lt 2.5 09/09/93 24 NA 0.089 ND 0.43 2 NA NA <br /> L2 2.5 09/09/93 11600 NA ND 14 32 200 NA NA <br /> L3 2.5 09/09/93 650 NA ND 0.96 5.4 41 NA NA <br /> L4 2.5 09/09/93 6.4 NA 0.012 0.0055 0.063 0.42 NA NA <br /> L5 2.5 09/09/93 ND NA NO ND ND NO NA NA <br /> Soil Borholes <br /> B1 15 June-91 2,400 NA 1 4 21 170 NA NA <br /> 30 June-91 690 NA 2 12 9 60 NA NA <br /> 45 June-91 1 ,400 NA 13 75 31 170 NA NA <br /> 55 June-91 520 NA 6 35 13 66 NA NA <br /> 60 June-91 8.4 NA 0.069 0.22 0.075 0.5 NA NA <br /> 68 June-91 190 NA 0.069 0.66 1 .2 7.5 NA 24 <br /> 2130 Arco Historical soil-ESL comparison Page 1 of 4 SECOR <br />