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r> TABLE 1 Analytical Results of Underground Storage Tank Removal Samples GREWAL'S MARKET 4100 East Fremont Street, Stockton, California (mg/kg) EPA 8015M EPA 8020 EPA 8260 Sample I.D. TPH-g TPH-d Benzene Toluene Ethyl-. Xylene MTBE MTBE ETBE TAME DIPE TBA benzene SP-1,2 41 500 ND<0.005 0.037 ND<0.005 0.32 ND<0.05 ND<0.005 ND<0.005 ND<0.005 ND<0.005 0.058 SP-3,4 76 1,000 ND<0.005 0.01 ND<0.005 0.098 ND<0.05 0.0066 ND<0.005 ND<0.005 ND<0.005 0.040 SP-5,6 30 890 ND<0.005 0.032 ND<0.005 0.25 ND<0.05 0.021 ND<0.005 ND<0.005 ND<0.005 0.3 Tl-A 1,600' 11,000ND<0.5 7.6 32 210 ND<10 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 TI-B ND<1 ND<l ND<0.005 ND<0.005 ND<0.005 ND<0.005 0.12 0.072 ND<0.005 ND<0.005 ND<0.005 0.083 T2-A 1,100' 12,0003 ND<0.3 4.1 9.7 61 ND<5 ND<0.25 ND<0.25 ND<0.25 ND<0.25 ND<2.5 T2-13 1.3' ND<1 ND<0.005 0.008 0.01 0.08 0.80 0.76 ND<0.005 ND<OM5 ND<0.005 0.42 T3-A 3,000' 3,300' ND<0.1 1.2 16 290 ND<2 ND<0.34 ND<0.34 ND<0.34 ND<0.34 ND<3.4 T3-13 ND<1 ND<l NIK0.005 ND<0.005 ND<0.005 ND<0.005 0.11 0.21 ND<0.005 ND<0.005 ND<0.005 0.12 Pipe-1 ND<l ND<1 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.05 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.025 Pipe-2 23' 31' ND<0.01 0.2 0.35 2.8 ND<0.2 0.0065 ND<0.005 ND<0.005 ND<0.005 0.0028 Pipe-3 1102 2,0003 ND<0.005 0.066 0.076 0.40 ND<0.l ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.025 Pipe-4 ND<l ND<l ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.05 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 Pipe-5 ND<1 2.8' ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.05 ND<0.005 ND<0.005 ND<0.005 _LN)1 ND<0.005Lji Nares: mg/kg:milligrams per kilogram or parts per million TPH-g:total petroleum hydrocarbons quantified as gasoline;TPH-d:total petroleum hydrocarbons quantified as diesel MTBE:methyl tertiary butyl ether;ETBE:ethyl tertiary butyl ether;TAME:tert amyl methyl ether;D{PE:di-isopropyl ether;TBA:tert-butanol ND:not detected;NA:not analyzed heavier gasoline range compounds are significant(aged gasoline?) strongly aged gasoline or diesel range compounds are significant;no recognizable pattern 3:unmodified or weakly modified diesel is significant;diesel range compounds are significant. <:indicates constituents were not detected at concentration greater than the reporting limit shown Advanced Geo Environmental,Inc.