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v,=a1SCience <br />wronmental <br />J6 aboraicriee, Inc. <br />Analytical Report <br />Page 15 of 33 <br />W At Cha l <br />h. <br />Cardno ERI Date Received: 05/05/12 <br />601 North McDowell Blvd. Work Order No: 12-05-0453 <br />Petaluma, CA 94954-2312 Preparation: EPA 5030C <br />Method: EPA 8260B <br />Units: ug/L <br />Project: ExxonMobil 99CAS/022789C Page 5 of 5 <br />Lab Sample Date/Time Date Date/Time <br />aient Sample Number Number Collected rvraurx insuunienr Pmparccf Analyzed A- " c" - <br />Method Blank 099-12-884-862 NIA Aqueous GC/MS L 05107/12 05108/12 12050711-02 <br />00:56 <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 />-1 U <br />Toluene <br />ND <br />0.50 <br />1 <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 <br />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 <br />U <br />1,2-Dibromoethane <br />ND <br />0.50 <br />1 U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />1 <br />U <br />1,2-Dichloroethane <br />ND <br />0.50 <br />1 U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />Limits <br />Surrogates: <br />REC % <br />Control <br />Qual <br />80-127 <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Toluene -d8 <br />100 <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />89 <br />68-120 <br />Dibromofluoromethane <br />98 <br />80-127 <br />1,2-Dichioroethane-d4 <br />102 <br />80-128 <br />Toluene -d8 <br />102 <br />80-120 <br />Method Blank 099-12-884-864 NIA Aqueous GC/MS L 05/09112 05/09/12 120509L OI <br />11:52 <br />Parameter <br />Result <br />RL <br />Benzene <br />ND <br />0.50 <br />Toluene <br />ND <br />0.50 <br />Ethylbenzene <br />ND <br />0.50 <br />Xylenes (total) <br />ND <br />0.50 <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />Surrogates: <br />REC (%) <br />Control <br />ND <br />0.50 <br />Limits <br />1,4-Bromofluorobenzene <br />95 <br />68-120 <br />1,2-Dichloroethane-d4 <br />96 <br />80-128 <br />DF <br />Qual <br />Parameter <br />Result <br />RL. <br />DF <br />Qual <br />1 <br />U <br />Diisopropyl Ether (DIPE) <br />ND <br />0.50 <br />1 <br />U <br />1 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0.50 <br />1 <br />U <br />1 <br />U <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />0.50 <br />1 <br />U <br />1 <br />U <br />1,2-Dibromoethane <br />ND <br />0.50 <br />1 <br />U <br />1 <br />U <br />1,2-Dichloroethane <br />ND <br />0.50 <br />1 <br />U <br />1 <br />U <br />Qual <br />Surrooates: <br />REC ° <br />Control <br />Qual <br />Limits <br />Dibromofluoromethane <br />94 <br />80-127 <br />Toluene -d8 <br />100 <br />80-120 <br />nr - nepornng umit , ur - ununon ramr Wuai - wumners <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />