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Report of Findings <br /> Frontier Transportation <br />' 03-28-98 <br /> March 28, 1998 <br /> Table 1: 1995 UST Removal Sample Results <br /> Sample ID Depth B T E X TPH-g TPH-d <br /> Sample <br /> 13 ND ND ND ND NA ND <br /> T5-1 13 ND ND ND ND NA ND <br />' T5-2 13 ND ND ND ND NA ND <br /> T5-3 13 ND ND ND ND NA 5.1 <br /> T5-4 13 ND ND ND ND NA ND <br /> T6-1 13 ND ND ND ND NA ND <br /> T6-2 13 ND ND ND ND NA ND <br /> T6-3 13 ND ND ND ND NA ND <br />' RLs 0.005 0.005 0.005 0.005 5.0 2.0 <br /> mg/kg mg/kg mg/kg mg/kg mgtkg mg/kg <br />' WS-West ND ND ND ND NA 240 <br /> WS-Center ND ND ND ND NA 1,200 <br />' WS-East ND ND ND ND NA 700 <br /> RLs 0.5 u IL 0.5 [L i 0.5 u 0.5 50 <br />' B=Benzene.T=Toluene.E=Ethylbenzene.X=Xylene. <br /> TPH-g=Total Petroleum Hydrocarbons as gasoline. <br /> TPH-d=Total Petroleum Hydrocarbons as diesel. <br /> RLs=Reporting Limits. <br /> In August of 1996, six vertical soil borings -1 B-2 B-3 MW-1 <br /> g (B RA, MW-1RB, and <br /> MW-2RA) and one angle boring (B-4) were advanced to depths between 10.5' and 12.5' below <br />' grade (bg) to assess subsurface conditions near the northeastern excavation by Twinning <br /> Laboratories, Inc. In addition, two hand augers(S-1 and S-2)were advanced to 3' bg to assess <br />' subsurface conditions beneath the dispenser and product lines and three groundwater monitoring <br /> wells, MW-1 through MW-3, were drilled to approximately 25' bg to assess the subsurface water <br /> beneath the site (See Figure 3, 1996 Site Layout Map). Initial subsurface water was encountered <br />' at 10.5' bg. Soil sample results are presented in Table 2. <br /> 2 <br />