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IRI <br /> Atnt: -an Envii-onmentul Netivoi k <br /> PAGE 5 <br /> . ATC ASSOCIATES <br /> SAMPLE ID CG-S84-W DATE SAMPLED 10/07/97 <br /> AEN LAB NO 9710115-04 DATE RECEIVED 10/09/97 <br /> AEN WORK ORDER 9710115 REPORT DATE 10/28/97 <br /> CLIENT PROJ ID 62500 <br /> METHOD/ REPORTING DATE <br /> ANALYTE CAS# RESULT LIMIT UNITS ANALYZED <br /> i <br /> BTEX & Gasoline HCs EPA 8020 <br /> Benzene 71-43-2 ND 0 5 ug/L 10/18/97 <br /> Toluene 108-88-3 ND 0 5 ug/L 10/18/97 <br /> Ethylbenzene 100-41-4 ND 0 5 ug/L 10/18/97 <br /> Xylenes Total 1330-20-7 ND 2 ug/L 10/18/97 <br /> Purgeable HCs as Gasoline 5030/GCEID ND 0 05 mg/L 10/18/97 <br /> xtraction for TPH EPA 3510 - <br /> #E Extrn Date 10/13/97 <br /> TPH as Diesel GC-FID 0 2 * 0 1 mg/L 10/16/97 <br /> #Oigestion, Metals by ICP EPA 3010 - Prep Date 10/14/97 <br /> Lead EPA 6010 0 29 * 0 08 mg/L 10/15/97 <br /> Gasoline Oxygenates EPA 8260 <br /> t-Butanol (TBA) 75-65-0 ND 100 ug/L 10/21/97 <br /> Methy-t-butyl ether (MTBE) 1634-04-4 ND 5 ug/L. 10/21/97 <br /> Di -isopropyl ether (RIPE) 108-20-3 ND 5 ug/L 10/21/97 <br /> Ethyl -t-butyl ether (ETBE) 637-92-3 ND 5 ug/L 10/21/97 <br /> t-Amylmethyl ether (TAME) 994-05-8 ND 5 ug/L 10/21/97 <br /> Reporting limit elevated for lead due to matrix <br /> interference Reporting limits for diesel elevated due <br /> to limited sample <br /> ND = Not detected at or above the reporting limit <br /> * = Value at or above reporting limit <br /> i <br /> i <br /> i <br />