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.a <br /> w, Table 2 <br /> Summary of Excavation Floor & Wall Soil Samples <br /> 04/13/89 and 4/14/89 (Pit Excavation) <br /> Concentration (ppm) <br /> Sample B T E R TPHG TEL EDB <br /> ----------------------------------------------------------------------- <br /> A) Pit Bottom <br /> N/E .077 .15 .017 .12 ND ND ND <br /> -- B) Pit Bottom <br /> N/W .023 .044 ND .046 ND ND <br /> NO <br /> C) Pit Bottom <br /> - S/E .18 .44 .026 .16 .6 ND ND <br /> D) Pit Bottom <br /> S/W .32 1.4 .20 1.3 2.9 ND Nb <br /> E) West Wall ND ND ND ND Nb ND ND <br /> F) East Wall ND 4.1 34 470 2000 ND ND <br /> G) North Wall <br /> lIest ND ND ND ND ND - <br /> "� H) North Wall <br /> ... East ND ND ND ND ND - - <br /> I) South Wall. <br /> s <br /> West ND ND ND ND ND - - <br /> - J) South Wall <br /> East ND ND Nb ND ND - - <br /> Note: B = benzene <br /> T = toluene <br /> E = ethylbenzene <br /> X = xylenes <br /> TPHG = total petroleum hydrocarbons as gasoline <br /> TEL = tetra ethyl lead <br /> EDB = ethylene dibromide <br /> ND = non detected <br /> - = not analyzed <br /> r <br /> ME <br />