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Page 12 of 43 <br />alscience <br />Am= nvironmental Analytical Report <br />aboratories, Inc. <br />Cardno ERI Date Received: 05/26/11 <br />601 North McDowell Blvd. Work Order No: 11-05-1637 <br />Petaluma, CA 94954-2312 Preparation: EPA 5030C <br />Method: EPA 8260B <br />Units: ug/L <br />Project: ExxonMobil 99CAS/022789C Page 2 of 6 <br />Lab Sample Date/Time Date Date/Time <br />lien Sample Number Number Collected Matrix instrument Prepared Analyzed QC tsatcn lu <br />W-33-MW4 11.05.16374-A 05/19/11 Aqueous GC/MS L 05/26/11 05/27/11 1105261L02 <br />13:35 08:21 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />3300 <br />1000 <br />2000 <br />Diisopropyl Ether (DIPE) <br />ND <br />1000 <br />2000 <br />U <br />Toluene <br />50000 <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 />23000 <br />1000 <br />2000 <br />1,2-Dibromoethane <br />ND <br />1000 <br />2000 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />1000 <br />2000 U <br />1,2-Dichloroethane <br />ND <br />1000 <br />2000 <br />U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />10000 <br />2000 U <br />Control <br />Qual <br />Surrogates: <br />REC (%1 <br />Control <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control <br />Qual <br />1,2-Dichloroethane-d4 <br />104 <br />Limits <br />Toluene -d8 <br />101 <br />Limits <br />1,4-Bromofluorobenzene <br />Dibromofluoromethane <br />111 <br />80-127 <br />Dibromofluoromethane <br />1,4-Bromofluorobenzene <br />96 <br />68-120 <br />Toluene -d8 <br />97 <br />80-120 <br />1,2-Dichloroethane-d4 <br />110 <br />80-128 <br />W-33-MW5 11-05-1637-5-B 05/19/11 Aqueous GC/MS L 05127/11 05127/11 110527L01 <br />11:15 20:39 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />190 <br />4.0 <br />8 <br />Diisopropyl Ether (DIPE) <br />ND <br />4.0 <br />8 <br />U <br />Toluene <br />8.1 <br />4.0 <br />8 <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />4.0 <br />8 <br />U <br />Ethylbenzene <br />13 <br />4.0 <br />8 <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />4.0 <br />8 <br />U <br />Xylenes (total) <br />11 <br />4.0 <br />8 <br />1,2-Dibromoethane <br />ND <br />4.0 <br />8 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />4.0 <br />8 U <br />1,2-Dichloroethane <br />ND <br />4.0 <br />8 <br />U <br />Tert-Butyl Alcohol (TBA) <br />55 <br />40 <br />8 <br />Control <br />Qual <br />Surrogates: <br />REC (%1 <br />Control <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />1,2-Dichloroethane-d4 <br />104 <br />Limits <br />Toluene -d8 <br />101 <br />Limits <br />1,4-Bromofluorobenzene <br />Toluene -d8 <br />101 <br />80-120 <br />Dibromofluoromethane <br />Dibromofluoromethane <br />106 <br />80-127 <br />1,4-Bromofluorobenzene <br />95 <br />68-120 <br />1,2-Dichloroethane-d4 <br />96 <br />80-128 <br />W-33-MW7 11-05-1637-6-A 05118111 Aqueous GCIMS L 05126/11 05127111 1105261L02 <br />14:50 09:16 <br />Parameter <br />Result <br />RL <br />DFQual <br />Parameter <br />Result <br />RL <br />DF Qual <br />Benzene <br />ND <br />0.50 <br />1 U <br />Diisopropyl Ether (DIPE) <br />ND <br />0.50 <br />1 U <br />Toluene <br />ND <br />0.50 <br />1 U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0.50 <br />1 U <br />Ethylbenzene <br />ND <br />0.50 <br />t 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 />1,2-Dibromoethane <br />ND <br />0.50 <br />t U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />1 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 U <br />Surrogates: <br />REC °o <br />Control <br />Qual <br />Surrogates: <br />REC (%1 <br />Control <br />Qual <br />Limits <br />Limits <br />1,2-Dichloroethane-d4 <br />104 <br />80-128 <br />Toluene -d8 <br />101 <br />80-120 <br />1,4-Bromofluorobenzene <br />94 <br />68-120 <br />Dibromofluoromethane <br />111 <br />80-127 <br />RL -Reporting Limit , DF - Dilution Factor , Qual - Qualifiers <br />WA <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 9 TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />