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oss-Idtewild Mwtet <br /> August 16,1995 <br /> Page 4- <br /> • 6.0 RESULTS OF ANALYSES Laboratory analyses of the soil samples collected from SB1 at 10 and 13 feet bgs, from <br /> SB2 through S134 at 10 and 15 feet bgs and from the soil stockpile indicated no evidence of the <br /> hydrocarbon constituents analyzed for at or above the reported laboratory detection limits <br /> Additionally, field observations and OVA measurements indicated no evidence of hydrocarbon <br /> contamination in the soil samples collected from S131 through SB5 Results of laboratory <br /> analyses are included In Table 1. <br /> TABLE I <br /> IdIewild Market - Soil Investigation <br /> Soil Sample Laboratory Results <br /> B T E X TPH-G EDB <br /> Detection 50 50 50 50 1.0 50 <br />' Sample ID Limits; Ag/kg jig/kg >1$/kg JA g/kg mg/kg ug/kg <br /> 145R-SB1-10 ND ND ND NO ND ND <br /> I 145RSB1-13 ND ND ND ND ND NA <br /> 145RSB2-10 ND ND ND ND ND ND <br /> 145RSB2-15 ND ND No ND ND NA <br /> 145RSB3-10 ND ND ND ND ND NA <br /> 14SRSB3-15 ND ND ND ND ND NA <br /> 145RSB4-10 ND ND ND ND ND NA <br /> 145RSB4-15 ND ND ND ND ND NA <br /> 145RSrKP-E ND ND ND ND ND NA <br /> 145RSi'KP-W ND ND ND ND ND NA <br /> _jl <br /> I Unit Conversions <br /> µg/kg parts per billion(ppb) 8 T E,X-benzene toluene ethyl benzene and xylene <br /> mg/kg parts per million(ppm) TPH-G-total petroleum hydrocarbons quarhttled as gasoline <br /> EDB-Ethyl dibromide <br /> ND-none detected at or above laboratory detectlon limit <br /> INA-not analyzed for specified constituent <br /> 7.0 CONCLUSIONS AND RECOMMENDATIONS <br /> Field observations made during the over-excavation of Pit 1 and during the installation <br /> of SB1 through SB5 Indicated a continuous layer of indurated silt from approximately 6 feet to <br /> 11 feet bgs in the area of the southeast comer of the canopy Medium brown silty sand to sand <br /> was present from 11 feet to 15 feet bgs. <br /> Laboratory analyses of the soil samples collected from SB1 through S134 at 10 to 15 feet <br /> .bgs indicated no evidence of the hydrocarbon constituents analyzed for at or above the reported <br /> Ilaboratory detection limits. Additionally, laboratory analyses of the soil samples collected from <br /> 1 <br />