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14rn1,11 scall Envie oiiwewal Netwoi n <br /> PAGE 7 <br /> i ATC ASSOCIATES <br /> - <br /> SAMPLE ID CG SB7-5 DATE SAMPLED 10/07/97 <br /> AEN LAB NO 9710114-06 DATE RECEIVED 10/09/97 <br /> AEN WORK ORDER 9710114 REPORT DATE 10/28/97 <br /> CLIENT PROJ ID 62500 <br /> METHOD/ REPORTING DATE <br /> ANALYTE CAS# RESULT LIMIT UNITS ANALYZED <br /> BTEX & Gasoline HCs EPA 8020 <br /> Benzene 71-43-2 ND 5 ug/kg 10/16/97 <br /> Toluene 108-88-3 18 * 5 ug/kg 10/16/97 <br /> Ethylbenzene 100-41-4 29 * 5 ug/kg 10/16/97 <br /> Xylenes, Total 1330-20-7 270 * 5 ug/kg 10/16/97 <br /> Purgeable HCs as Gasoline 5030/GCFID 4 1 * 0 2 mg/kg 10/16/97 <br /> Lead EPA 7420 54 * 3 mg/kg 10/14/97 <br /> #Digestion for ICP/AA EPA 3050 - Prep Date 10/13/97 <br /> Gasoline Oxygenates EPA 8260 <br /> t-Butanol (TBA) 75-65-0 ND 5000 ug/kg 10/21/97 <br /> Methy-t-butyl ether (MTBE) 1634-04-4 ND 300 ug/kg 10/21/97 <br /> Di -isopropyl ether (DIPE) 108-20-3 ND 300 ug/kg 10/21/97 <br /> Ethyl -t-butyl ether (E.TBE) 637-92-3 ND 300 ug/kg 10/21/97 <br /> t-Amylmethyl ether (TAME) 994-05-8 ND 300 ug/kg 10/21/97 <br /> Reporting limits for oxygenates elevated due to high <br /> levels of non-target compounds Sample run at dilu- <br /> tion <br /> ND = Not detected at or above the reporting limit <br /> * = Value at or above reporting limit <br />