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a M Frontier Transportation B23502.01A January 2, 1996 Page 4 TABLE 2 Underground Storage Tank Removal Soil Sample Analytical Results r11111Sample - Sample Benzene Toluene Et6yibeozene XyleMs :- TPIi-G 'IPH-b € Number 17cpur mg/kg mg/kg 'mg/kg mg/kg mg/kg mg/kg Soil Samples Collected from Gasoline UST Excavation July 21, 1995 S-1-w 8.5 46 360 - 120 720 71200 110 S-1-E 85 84 460 - 120 690 91800 120 S-2 7.5 47 320 110 620 4,700 92 S-3 8.5 47 320 100 590 65000 61 Soil Samples Collected from Diesel UST Excavation July 24, 1995 T4-1 13 < 0.005 < 0.005 < 0.005 < 0.005 NA < 2 T4-2 13 < 0.005 < 0.005 < 0.005 < 0.005 NA < 2 T4-3 13 < 0,005 < 0.005 < 0.005 < 0.005 NA < 2 T44 13 < 0.005 < 0.005 < 0.005 < O.OQS NA < 2 T5-1 13 < 0.005 < 0.005 < 0.005 < 0.005 NA < 2 T5-2 13 < 0.005 <0.0054< 0.005 < 0.005 NA < 2� T5-3 13 < 0.005 < 0.005 < 0.005 NA < 2 T54 13 < 0.005 < 0.005 < 0.005 NA < 2 T6-1 13 < 0.005 < 0.005 < 0.005 NA13 < 0.005 < 0.005 < 0.005 NAT6-3 13 < 0.005 < 0.005 < 0.005 NA < 2 T6-4 13 < 0.005 < 0.005 < 0.005 < 0.005 NA 5.1f TPH-G = total petroleum hydrocarbons - gasoline range constituent TPH-D = total petroleum hydrocarbons - diesel range constituent mg/kg = milligrams per kilogram < = less than Analytical results as recorded on laboratory reports On August 11, 1995, Twining completed a report of UST removal activities (Twining, 1995) . Please note that typographical errors were made in preparing the tabulated data originally presented in the August 11, 1995 report. Table 2 incorporates the corrected data denoted by asterisks. Following removal of the diesel USTs, groundwater was encountered in the bottom of the southern UST excavation. Twining collected three groundwater samples from standing water in the excavation. Groundwater sample analytical results are summarized in Table 3 .