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_ Page 5 of 16 <br />atscience <br />it nvironmental Analytical Report <br />L aboratories, Inc. <br />Cardno ERI Date Received: 08/26/11 <br />601 North McDowell Blvd. Work Order No: 11-08-1796 <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 DaterTime .._• Date Daterrime nr• In F K En <br />,tient Sample Number Number Collected Prepared Analyzed <br />W-45-AS4 11-08-1796-1-A 08/24/11 Aqueous GC/MS BB 08/26/11 08/27/11 110826L07 <br />14:00 08:10 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />7500 <br />500 <br />1000 <br />Diisopropyl Ether (DIPE) <br />ND <br />500 <br />1000 <br />U <br />Toluene <br />54000 <br />1000 <br />2000 <br />Ethyl -t -Butyl Ether (ETRE) <br />ND <br />500 <br />1000 <br />U <br />Ethylbenzene <br />5100 <br />500 <br />1000 <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />500 <br />1000 <br />U <br />Xylenes (total) <br />25000 <br />500 <br />1000 <br />Ethanol <br />ND <br />50000 <br />1000 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />500 <br />1000 U <br />1,2-Dibromoethane <br />ND <br />500 <br />1000 <br />U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5000 <br />1000 U <br />1,2-Dichloroethane <br />ND <br />500 <br />1000 <br />U <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Surrogates: <br />REC °° <br />Control <br />Qual <br />Qual <br />1,4-Bromofluorobenzene <br />91 <br />Limits <br />Dibromofluoromethane <br />106 <br />Limits <br />Limits <br />1,2-Dichloroethane-d4 <br />1,4-Bromofluorobenzene <br />98 <br />68-120 <br />Toluene -d8 <br />Dibromofluoromethane <br />105 <br />80-127 <br />80-127 <br />1,2-Dichloroethane-d4 <br />96 <br />80-128 <br />Toluene -d8 <br />103 <br />80-120 <br />80-120 <br />Method Blank 099-12-884-673 N/A Aqueous GC/MS BB 08/26/11 08/27/11 1108261-07 <br />02:20 <br />Parameter <br />Result <br />RL <br />DF, <br />Qual <br />Parameter <br />Result <br />RL <br />DF Qual <br />Benzene <br />ND <br />0.50 <br />1 <br />U <br />Diisopropyl Ether (DIPE) <br />ND <br />0.50 <br />U <br />Toluene <br />ND <br />0.50 <br />1 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0.50 <br />t U <br />Ethylbenzene <br />ND <br />0.50 <br />1 <br />U <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />050 <br />1 U <br />Xylenes (total) <br />ND <br />0.50 <br />1 <br />U <br />Ethanol <br />ND <br />50 <br />1 U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />1 <br />U <br />1,2-Dibromoethane <br />ND <br />0.50 <br />1 U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />1,2-Dichloroethane <br />ND <br />0.50 <br />1 U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control <br />Qual <br />1,4-Bromofluorobenzene <br />91 <br />Limits <br />Dibromofluoromethane <br />106 <br />80-127 <br />Limits <br />1,2-Dichloroethane-d4 <br />1,4-Bromofluorobenzene <br />93 <br />68-120 <br />Toluene -d8 <br />94 <br />Dibromofluoromethane <br />101 <br />80-127 <br />1,2-Dichloroethane-d4 <br />100 <br />80-128 <br />Toluene -d8 <br />101 <br />80-120 <br />Method Blank 099-12-884-674 N/A Aqueous GC/MS L 08/31/11 08/31/11 110831L02 <br />11:44 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF Qual <br />Benzene <br />ND <br />0.50 <br />U <br />Diisopropyl Ether(DIPE) <br />ND <br />0.50 <br />1 U <br />Toluene <br />ND <br />050 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0 50 <br />1 U <br />Ethylbenzene <br />ND <br />0.50 <br />1 U <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />0.50 <br />1 U <br />Xylenes (total) <br />ND <br />0.50 <br />1 U <br />Ethanol <br />ND <br />50 <br />1 U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />1 U <br />1,2-Dibromoethane <br />ND <br />0.50 <br />1 U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />i U <br />1,2-Dichloroethane <br />ND <br />0.50 <br />1 U <br />Surrogates: <br />RE ° <br />Control <br />Qua] <br />Surrogates: <br />REC (%) <br />Control <br />CQiall <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />91 <br />68-120 <br />Dibromofluoromethane <br />106 <br />80-127 <br />1,2-Dichloroethane-d4 <br />113 <br />80-128 <br />Toluene -d8 <br />94 <br />80-120 <br />RL -R YUIUIIV-1111L , — -✓Ilu/lull l-a•.WI , Vaal-•.[uaunmo <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />