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O.E.B. - Mlataga Olds/Buick <br /> _ June 16, 1993 <br /> Page -5- <br /> TABLE 1. <br /> Excavation Sample Analyses <br /> (Petroleum Hydrocarbons) <br /> analyte/ B T E X TEPH TEPH TEPH <br /> Mie`h°d 8020 8020 8020 8020 motor oil kerosene <br /> 3550 3550 3550 <br /> Detection 5.0 5.0 5.0 5.0 50.0 5.0 5.0 <br /> Limit F /kg Rg/k4 1�4/kg VgAg m4 mg/k4 mg/kg <br /> 145Q-Pit-B9 ND ND ND ND ND ND ND <br /> 145Q-Pit-N5 ND ND ND ND ND ND ND <br /> 145Q-Pit-E5 ND ND ND ND ND ND ND <br /> 145Q-Pit-S5 ND ND ND ND ND ND ND <br /> 145Q-Pit-W5 ND ND ND ND ND ND ND <br /> nit Convers ono: <br /> pg/kg:parts per billion (ppb) Analyses: <br /> mg/kg:parts per million {ppm} BTEX - benzene, toluene, ethyl benzene, and xylene. <br /> TEPH - total petroleum hydrocarbons, quantified as kerosene, <br /> diesel, and oil. <br /> ND = none detected at or above laboratory detection limit. <br /> TABLE 2 <br /> Excavation Sample Analyses <br /> (Metals) <br /> Analyte Cr Cd I Pb Ni Zn-- <br /> 145Q—Pit—B9 <br /> n <br /> 145Q-Pit-B9 5 . 0 ND ND ND 14.0 <br /> 145Q-Pit-N5 8.0 ND ND ND 20.0 <br /> 145Q-Pit-E5 9 . 0 ND ND ND 19 .0 <br /> 145Q-Pit-S5 9 .0 ND ND ND 19 . 0 <br /> 145Q-Pit-W5 10 . 0 ND ND ND 22 . 0 <br /> oncen ra ons—presented n mg1X9 or parts per mi on. <br /> Metals/Method:- <br /> Cr chromium 7190 <br /> Cd cadmium 7130 <br /> Pb lead 7420 <br /> Ni = nickel 7520 <br /> Zn zinc 7950 <br /> ND none detected at or above laboratory detection limit. <br /> CONDOR <br />