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L 30600 1S. Corral Hollow w <br /> H <br /> gyratory Excavation Report <br /> no:z3 <br /> L <br /> The primary contaminant disclosed in the samples obtained from the excavated soil was <br /> diesel at an average of 440 mg/Kg. <br /> L <br /> L Soil Sate Obtained from Excavated& Stockpiled Soil 11-2o-98 <br /> Sample# Diesel Gasoline Benzene E-Benzene Toluene Xylenes MTBE <br /> BPTOP N 500 *4 ND ND ND ND ND <br /> BPTOP S 97 ND ND ND ND ND ND <br /> L BPS 1 2% ND ND NII ND ND ND <br /> BP S 2 1700 32 ND 0.100 0.060 ND ND <br /> BP 3 120 ND 0.007 ND 0.009 0.010 ND <br /> BP S 4 140 ND ND ND ND ND ND <br /> BP S 5 640 *4 ND ND ND ND ND <br /> L BP N 1 640 *4 ND ND ND ND ND <br /> BP N 2 140 ND ND ND ND ND ND <br /> BP N 3 250 *1 ND ND ND ND ND <br /> BP N 4 360 *3 ND ND ND ND ND <br /> LBP N 5 400 3 ND ND ND ND ND <br /> *does not matc typical pattern <br /> Note: All Um R in mg/Kg ND=Non Detectable <br /> Some diesel was present in the samples obtained from the two overburden stockpiles and <br /> higher concentrations were disclosed in the material removed from under the former <br /> dispenser piping. <br /> L it <br /> Samples Obtained from Overburden after Stock iliaX(11-17- <br /> Sample <br /> 11-17-S le# Diesd I Gasoline Benzene E-Benzene Toluene Xylenes MTBE <br /> ` Overburden 1 23 ND ND ND ND ND ND <br /> L Ovaburden 2 160 2 ND ND ND ND ND <br /> SS914 260 114 ND ND ND 0.01 ND <br /> SS9 5-8 460 18 ND ND ND 0.04 ND <br /> SS9 9-12 530 20 ND ND ND 0.0.03 ND <br /> SS913-16 230 19 ND ND ND 0.02 ND <br /> Note: All UniR <br /> 7' a <br /> nMV4 ND=Non Detectable <br /> VP„�� = z��PP"L) <br /> Stockpiled soils, from the tank removal in March, are approved for use as backfill with <br /> LSS-2 to be used on the surface and SS-8 to be treated or disposed of with stockpile BP. <br /> Overburden soil and stockpile SS9 are pending review of this report. <br /> L <br /> �Y <br /> L <br />