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American Environrnental Network <br />PAGE 8 <br />ENGEO INCORPORATED <br />SAMPLE ID: OP -27A <br />AEN LAB NO: 9707056-07 <br />AEN WORK ORDER: 9707056 <br />CLIENT PROJ. ID: 4203-F2 <br />DATE SAMPLED: <br />DATE RECEIVED: <br />REPORT DATE: <br />07/03/97 <br />07/03/97 <br />07/21/97 <br />METHOD/ <br />REPORTING <br />DATE <br />ANALYTE <br />CAS# <br />RESULT <br />LIMIT <br />UNITS <br />ANALYZED <br />#Extraction for TPH <br />EPA'3550 <br />- <br />Extrn Date <br />07/09/97 <br />TPH as Diesel <br />GC -FID <br />ND <br />1 <br />mg/kg <br />07/12/97 <br />TPH as Oil <br />GC -FID <br />ND <br />5 <br />mg/kg <br />07/12/97 <br />#Digestion, Metals by GFAA <br />EPA <br />3050 <br />- <br />Prep Date <br />07/08/97 <br />Arsenic <br />EPA.7060 <br />12 <br />* 0.5 <br />mg/kg <br />07/09/97 i <br />#Digestion for ICP/AA <br />EPA.3050 <br />- <br />Prep Date <br />07/08/97 <br />Barium <br />EPA <br />6010 <br />160 <br />* 1 <br />mg/kg <br />07/09/97 <br />Cadmium <br />EPA.6010 <br />0.3 <br />* 0.2 <br />mg/kg <br />07/09/97 <br />Chromium <br />EPA <br />6010 <br />6.9 <br />* 0.5 <br />mg/kg <br />07/09/97 <br />Copper <br />EPA <br />6010 <br />8.8 <br />* 0.5 <br />mg/kg <br />07/09/97 <br />Lead <br />EPA <br />6010 <br />4 <br />* 1 <br />mg/kg <br />07/09/97 <br />Nickel <br />EW6010 <br />5 <br />* 1 <br />mg/kg <br />07/09/97 <br />Vanadium <br />EPA <br />6010 <br />31 <br />* 0.5 <br />mg/kg <br />07/09/97 <br />ND = Not detected at or above the <br />reporting <br />limit <br />i <br />* = Value at or above reporting <br />limit <br />