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Aniei icarr Envii omewal Netu of <br /> PAGE 9 <br /> AZURE ENVIRONMENTAL <br /> SAMPLE ID MW-7 DATE SAMPLED 11/13/97 <br /> AEN LAB NO. 9711192-08 DATE RECEIVED. 11/14/97 <br /> AEN WORK ORDER 9711192 REPORT DATE 12/08/97 <br /> CLIENT PROJ ID 145-001 2 <br /> METHOD/ REPORTING DATE <br /> ANALYTE CAS# RESULT LIMIT UNITS ANALYZED <br /> BTEX & Gasoline HCs EPA 8020 <br /> Benzene 71-43-2 ND 0 5 ug/L 11/26/97 <br /> Toluene 108-88-3 ND 0 5 ug/L 11/26/97 <br /> Ethylbenzene 100-41-4 ND 0 5 ug/L 11/26/97 <br /> Xylenes , Total 1330-20-7 ND 2 ug/L 11/26/97 <br /> Purgeable HCs as Gasoline 5030/GCFID 0 09 * 0 05 mg/L 11/26/97 <br /> Gasoline Oxygenates EPA 8260 <br /> t-Butanol (TBA) 75-65-0 ND 100 ug/L 11/25/97 <br /> Methy-t-butyl ether (MTBE) 1634-04-4 ND 5 ug/L 11/25/97 <br /> Di -isopropyl ether (RIPE) 108-20-3 ND 5 ug/L 11/25/97 <br /> Ethyl -t-butyl ether (ETBE) 637-92-3 ND 5 ug/L 11/25/97 <br /> t-Amylmethyl ether (TAME) 994-05-8 ND 5 ug/L 11/25/97 <br /> Duplicate analysis of gas/BTEX showed Internal Stan- <br /> dard recoveries ouside of QC limits Results are <br /> estimated Possible matrix effect <br /> ND = Not detected at or above the reporting limit <br /> * = Value at or above reporting limit <br /> • <br />