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r y <br /> 3.0 FINDINGS <br /> TPH as gasoline was detected in three samples collected from the excavation at <br /> concentrations as great as 3,000 ppm (NE-1). BTF.&X were also detected at low <br /> concentrations in three additional samples from the excavation.No petroleum hydrocarbons <br /> were detected in the three samples collected from the west end of the excavation (NW1, <br /> W23 and SW-1). <br /> TPH as gasoline, toluene, ethylbenzene and xylenes were detected in sample P-5, collected <br /> from the piping area. Toluene and xylenes were detected at Iow concentrations in samples <br /> P-2 and P-3. Total lead was detected only in sample P-5 at a concentration of 7.0 ppm. TPH <br /> as diesel, DCA and DCE were not detected in any of the samples analyzed from the <br /> excavation or piping areas. <br /> TPH as gasoline and diesel were detected in the stockpile composite sample at <br /> concentrations of 37 ppm and 62 ppm, respectively.Toluene, ethylbenzene and xylenes were <br /> also detected in the composite sample at low concentrations Laboratory results of soil <br /> samples are summarized on Table I <br /> TABLE 1 <br /> Analytical Results of Soil Samples <br /> Arco Mini Mark <br /> � cmc <br /> Sample ID TPH as TPH as Ethyl- Total <br /> GasQlme Diesel Be�n0115 zen Toluene benzene Xylenes Lead <br /> P-1 ND NA ND ND ND ND ND <br /> P-2 ND NA ND 0.020 ND 0.018 ND <br /> P-3 ND NA ND 0.009 ND 0.012] ND <br /> P-4 ND NA ND ND ND ND ND <br /> P-5 _ 1,600 NA ND 1.5 ' -' 13 120'4A 7.0 X <br /> P-6 NA ND ND ND ND ND NA <br /> SE-1 ND NA ND ND 0 016 0.013, ND <br /> NE-1 3,000 1 NA ND 33 t 62 380,E ND <br /> M56 ND NA 0.014 ND 0.012 ' 0.0201 ND <br /> NW1 ND NA ND ND ND ND ND <br /> • 0-6r-]AW4 I 2 <br /> ,� .,� .Lt <br />