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&&Science <br />T nvironmental <br />aboratories, Inc. <br />Analytical Report <br />Page 12 of 33 <br />,:s aCco,�p <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 2 of 5 <br />Lab Sample Date/Time Date Date/Time <br />nn ..�. n <br />Client Sample Number Number Collected iwaoix myuume�n prepared Analyzed �- — C., " <br />F33-MW4 12-05-0453-4-A 05/04/12 Aqueous GC/MS L 05/07/12 05108/12 120507L02 <br />09:15 04:16 <br />Parameter <br />Result <br />RL <br />OF Qual <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Benzene <br />4000 <br />1000 <br />2000 <br />Diisopropyl Ether (DIPE) <br />ND <br />1000 <br />2000 <br />U <br />Toluene <br />55000 <br />1000 <br />2000 <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />1000 <br />2000 <br />U <br />Ethylbenzene <br />3700 <br />1000 <br />2000 <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />1000 <br />2000 <br />U <br />Xylenes (total) <br />22000 <br />1000 <br />2000 <br />1,2-Dibromoethane <br />NO <br />1000 <br />2000 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />NO <br />1000 <br />2000 U <br />1,2-Dichloroethane <br />NO <br />1000 <br />2000 <br />U <br />Tert-Butyl Alcohol (TBA) <br />NO <br />10000 <br />2000 U <br />4 <br />U <br />Tert-Butyl Alcohol (TBA) <br />NO <br />20 <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Surroaates: <br />REC % <br />Control <br />Qual <br />REC (%) <br />Control <br />Qual <br />Limits <br />Surrogates: <br />REC <br />Control <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />93 <br />68-120 <br />Dibromofluoromethane <br />98 <br />80-127 <br />80-127 <br />1,2-Dichloroethane-d4 <br />104 <br />80-128 <br />Toluene -d8 <br />100 <br />80-120 <br />80-127 <br />W-31-MW5 12.05-0453-5-A 05103/12 Aqueous GCIMS L 05/07/12 05/08112 120507L02 <br />16:05 04:44 <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Benzene <br />91 <br />2.0 <br />4 <br />Diisopropyl Ether (DIPE) <br />Diisopropyl Ether (DIPE) <br />NO <br />2.0 <br />4 <br />U <br />Toluene <br />NO <br />2.0 <br />4 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />NO <br />2.0 <br />4 <br />U <br />Ethylbenzene <br />20 <br />2.0 <br />4 <br />0.50 <br />Tert-Amyl-Methyl Ether (TAME) <br />NO <br />2.0 <br />4 <br />U <br />Xylenes (total) <br />12 <br />2.0 <br />4 <br />i U <br />1,2-Dibromoethane <br />NO <br />2.0 <br />4 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />NO <br />2.0 <br />4 <br />U <br />1,2-Dichloroethane <br />NO <br />2.0 <br />4 <br />U <br />Tert-Butyl Alcohol (TBA) <br />NO <br />20 <br />4 <br />U <br />Control <br />Qual <br />Surrogates: <br />REC (%1 <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Limits <br />Surrogates: <br />REC <br />Control <br />Qual <br />Limits <br />1,4-Bromofluorobenzene <br />Limits <br />68-120 <br />Dibromofluoromethane <br />Limits <br />80-127 <br />1,4-Bromofluorobenzene <br />95 <br />68-120 <br />Dibromofluoromethane <br />100 <br />80-127 <br />1,2-Dichloroethane-d4 <br />105 <br />80-128 <br />Toluene -d8 <br />100 <br />80-120 <br />N-32-MW6 12-05-0453-6-A 05/03112 Aqueous GCIMSL 05/07112 05/+]8!12 120507L02 <br />14:25 05:13 <br />Parameter <br />Result <br />RL <br />OF <br />Qual <br />Parameter <br />Result <br />RL <br />OF Qual <br />Benzene <br />NO <br />0.50 <br />1 <br />U <br />Diisopropyl Ether (DIPE) <br />NO <br />0.50 <br />1 U <br />Toluene <br />3.4 <br />0.50 <br />1 <br />Ethyl -t -Butyl Ether (ETBE) <br />NO <br />0.50 <br />1 U <br />Ethylbenzene <br />0.52 <br />0.50 <br />1 <br />Tert-Amyl-Methyl Ether (TAME) <br />NO <br />0.50 <br />I U <br />Xylenes (total) <br />2.5 <br />0.50 <br />1 <br />1,2-Dibromoethane <br />ND <br />0.50 <br />i U <br />Methyl -t -Butyl Ether (MTBE) <br />NO <br />0.50 <br />1 <br />U <br />1,2-Dichloroethane <br />NO <br />0.50 <br />1 U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />Surrogates: <br />REC (%1 <br />Control <br />Qual <br />Surrogates: <br />REC (%1 <br />Control <br />Qual <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />90 <br />68-120 <br />Dibromofluoromethane <br />101 <br />80-127 <br />1,2-Dichloroethane-d4 <br />104 <br />80-128 <br />Toluene -d8 <br />101 <br />80-120 <br />RL - Repordng Limit DF - Dilution Factor Qual - Qualifiers <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 FAX: (714) 894-7501 <br />