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alscience <br />Aw_ nvironmental <br />Ar aboratories, Inc. <br />Analytical Report <br />Page 13 of 43 <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 3 of 6 <br />Lab Sample Date/Time Date Date/Time <br />Cllent SampleNumber Number Collected r"aurx rrrstrurrrerrr Prepared Analyzed wto Dawn ru <br />W -34 -MWS 11-05-1637-7-A 05118111 Aqueous GCIMS L 05126111 05127111 1105261_02 <br />15:45 09:43 <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />ND <br />0.50 <br />1 <br />U <br />Diisopropyl Ether (DIPE) <br />ND <br />0.50 <br />1 <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 />1 <br />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 <br />U <br />Xylenes (total) <br />ND <br />0.50 <br />1 <br />U <br />1,2-Dibromoethane <br />ND <br />0.50 <br />1 <br />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 <br />U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />Control <br />Qual <br />Surrogates: <br />REC ° Control <br />Qual <br />Surroaates: <br />REC (%) <br />Control <br />Qual <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />1,2-Dichloroethane-d4 <br />1,2-Dichloroethane-d4 <br />121 <br />Limits <br />Toluene -d8 <br />Toluene -d8 <br />97 <br />80-120 <br />Limits <br />Dibromofluoromethane <br />Dibromofluoromethane <br />115 <br />80-127 <br />1,4-Bromofluorobenzene <br />100 <br />Toluene -d8 <br />97 <br />80-120 <br />1,4-Bromofluorobenzene <br />93 <br />68-120 <br />1,2-Dichloroethane-d4 <br />112 <br />80-128 <br />W -34 -DWI 11-05-1637-8-A 05119/11 Aqueous GCIMS L 05126111 05/27111 1105261_02 <br />12:10 10:11 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />1400 <br />50 <br />100 <br />Diisopropyl Ether (DIPE) <br />ND <br />10 <br />20 <br />U <br />Toluene <br />2400 <br />50 <br />100 <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />10 <br />20 <br />U <br />Ethylbenzene <br />130 <br />10 <br />20 <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />10 <br />20 <br />U <br />Xylenes (total) <br />710 <br />10 <br />20 <br />1,2-Dibromoethane <br />ND <br />10 <br />20 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />10 <br />20 U <br />1,2-Dichloroethane <br />22 <br />10 <br />20 <br />Tert-Butyl Alcohol (TBA) <br />ND <br />100 <br />20 U <br />Control <br />Qual <br />Surrogates: <br />REC Control <br />Qual <br />Surrogates: <br />REC (%) <br />Control <br />Qual <br />Surrogates: <br />REC ° Control <br />Qual <br />Dibromofluoromethane <br />119 <br />Limits <br />1,4-Bromofluorobenzene <br />92 <br />Limits <br />1,2-Dichloroethane-d4 <br />1,2-Dichloroethane-d4 <br />121 <br />80-128 <br />Toluene -d8 <br />Toluene -d8 <br />97 <br />80-120 <br />Dibromofluoromethane <br />118 <br />80-127 <br />1,4-Bromofluorobenzene <br />100 <br />68-120 <br />W-33-DW2 11-05-1637-9-A 05119111 Aqueous GCIMS L 05126111 05127111 1105261_02 <br />09:10 10:38 <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 />i 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 />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 />1,2-Dibromoethane <br />ND <br />0.50 <br />1 U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />1 U <br />1,2-Dichloroethane <br />0.76 <br />0.50 <br />t <br />Tert-Butyl Alcohol (TBA) <br />30 <br />5.0 <br />i <br />Surrogates: <br />REC <br />Control <br />Qual <br />Surrogates: <br />REC Control <br />Qual <br />Limits <br />Limits <br />Dibromofluoromethane <br />119 <br />80-127 <br />1,4-Bromofluorobenzene <br />92 <br />68-120 <br />1,2-Dichloroethane-d4 <br />108 <br />80-128 <br />Toluene -d8 <br />99 <br />80-120 <br />RL -Reporting Limit , DF - Dilution Factor , Qual - Qualifiers <br />&" 7440 Lincoln Way, Garden Grove, CA 92841-1427 9 TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />