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alscience <br />nvironmental <br />L aboratories, Inc. <br />Analytical Report <br />Page 5 of 14 <br />Cardno ERI Date Received: 09/01/11 <br />601 North McDowell Blvd. Work Order No: 11-09-0023 <br />Petaluma, CA 94954-2312 Preparation: EPA 5030C <br />Method: EPA 8260B <br />Units: ug/L <br />Project: ExxonMobil 99CAS/022789C Page 1 of 1 <br />Lab Sample Date/Time I.Date Datefrime <br />Client Sample Number Number Collected iviauiA ,n5uurii0rii Prepared Analyzed uL Dalai iu <br />W-35-SVE5 11.09.0023-1-A 08/31/11 Aqueous GUMS BB 09/02/11 09/03/11 110902L03 <br />08:45 00:17 <br />Parameter <br />Result <br />RL <br />OF Qual <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Benzene <br />790 <br />500 <br />1000 <br />Diisopropyl Ether (DIPE) <br />NO <br />2.5 <br />5 <br />U <br />Toluene <br />120 <br />2.5 <br />5 <br />Ethyl -t -Butyl Ether (ETBE) <br />NO <br />2.5 <br />5 <br />U <br />Ethylbenzene <br />110 <br />2.5 <br />5 <br />Tert-Amyl-Methyl Ether (TAME) <br />NO <br />2.5 <br />5 <br />U <br />Xylenes (total) <br />220 <br />2.5 <br />5 <br />Ethanol <br />ND <br />250 <br />5 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />14 <br />2.5 <br />5 <br />1,2-Dibromoethane <br />NO <br />2.5 <br />5 <br />U <br />Tert-Butyl Alcohol (TBA) <br />34 <br />25 <br />5 <br />1,2-Dichloroethane <br />NO <br />2.5 <br />5 <br />U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrooates: <br />REC (%) <br />Control <br />Qual <br />REC (%) <br />Control <br />Qual <br />Limits <br />Surrogates: <br />REC % <br />Control <br />Limits <br />1,4-Bromofluorobenzene <br />96 <br />68-120 <br />Dibromofluoromethane <br />89 <br />80-127 <br />1,2-Dichloroethane-d4 <br />106 <br />80-128 <br />Toluene -d8 <br />104 <br />80-120 <br />80-127 <br />Method Blank 099-12-884-679 N/A Aqueous GC/MS BB 09/02/11 09/02/11 110902L03 <br />15:28 <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />NO <br />0.50 <br />1 <br />U <br />Diisopropyl Ether (DIPE) <br />NO <br />0.50 <br />U <br />Toluene <br />NO <br />0.50 <br />1 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />NO <br />0.50 <br />1 <br />U <br />Ethylbenzene <br />NO <br />0.50 <br />1 <br />U <br />Tert-Amyl-Methyl Ether (TAME) <br />NO <br />0.50 <br />1 <br />U <br />Xylenes (total) <br />NO <br />0.50 <br />1 <br />U <br />Ethanol <br />ND <br />50 <br />1 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />NO <br />0.50 <br />1 <br />U <br />1,2-Dibromoethane <br />NO <br />0.50 <br />1 <br />U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />1,2-Dichloroethane <br />NO <br />0.50 <br />1 <br />U <br />Surrooates: <br />REC (%) <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />93 <br />68-120 <br />Dibromofluoromethane <br />100 <br />80-127 <br />1,2-Dichloroethane-d4 <br />113 <br />80-128 <br />Toluene -d8 <br />98 <br />80-120 <br />RL -Reporting Limit , OF - Dilution Factor . Qual - Qualifiers <br />9AW" 7440 Lincoln Way, Garden Grove, CA 92841-1427 9 TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />