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Page 14 of 43 <br />alscience <br />mw= nvironmental Analytical Report <br />s <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 4 of 6 <br />Lab Sample Date/Time Date Date/Time <br />cent Sampie Number Number Collected .—I ." — Pu"'"" Prepared Anaiyzed a = <br />W-34-DW3 11-05-1637-10-B 05119111 Aqueous GC1MS FFF 05127111 05127111 110527L01 <br />10:35 20:39 <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 />11, 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 />9.7 <br />0.50 <br />1 <br />1,2-Dichloroethane <br />1,2-Dichloroethane <br />1.4 <br />0.50 <br />1 <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 <br />U <br />Surrogates: <br />REC % <br />Control <br />Qua[ <br />Surrogates: <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Limits <br />Limits <br />Limits <br />Limits <br />Limits <br />1,2-Dichloroethane-d4 <br />Toluene -d8 <br />101 <br />80-120 <br />1,4-Bromofluorobenzene <br />1,2-Dichloroethane-d4 <br />Dibromofluoromethane <br />98 <br />80-127 <br />Dibromofluoromethane <br />1,4-Bromofluorobenzene <br />102 <br />68-120 <br />Toluene -d8 <br />Toluene -d8 <br />1,2-Dichloroethane-d4 <br />105 <br />80-128 <br />W-34-DW4 11.05-1637-11-B 05/18111 Aqueous GC1MS FFF 05/27/11 05/27/11 110527L01 <br />16:35 22:29 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />ND <br />0.50 <br />1 U <br />Diisopropyl Ether (DIPE) <br />ND <br />0.50 <br />1 <br />U <br />Toluene <br />ND <br />0.50 <br />1U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0.50 <br />1 <br />U <br />Ethylbenzene <br />ND <br />0.50 <br />1 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 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 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 U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC °/ <br />Control <br />Qual <br />Limits <br />Limits <br />Limits <br />Limits <br />1,2-Dichloroethane-d4 <br />1,4-Bromofluorobenzene <br />101 <br />68-120 <br />1,4-Bromofluorobenzene <br />1,2-Dichloroethane-d4 <br />99 <br />80-128 <br />Dibromofluoromethane <br />Dibromofluoromethane <br />95 <br />80-127 <br />Toluene -d8 <br />Toluene -d8 <br />101 <br />80-120 <br />W-34-EX1 11.05-1637-12-B 05/19111 Aqueous GC1MS FFF 05127111 05127/11 11052711-01 <br />14:50 22:57 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />20000 <br />1000 <br />2000 <br />Diisopropyl Ether (DIPE) <br />ND <br />1000 <br />2000 <br />U <br />Toluene <br />68000 <br />1000 <br />2000 <br />Ethyl-t-Butyi Ether (ETBE) <br />ND <br />1000 <br />2000 <br />U <br />Ethylbenzene <br />4100 <br />1000 <br />2000 <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />1000 <br />2000 <br />U <br />Xylenes (total) <br />24000 <br />1000 <br />2000 <br />1,2-Dibromoethane <br />ND <br />1000 <br />2000 <br />U <br />Methyl-t-ButA 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 />Surrogates: <br />REC % <br />Control <br />Qua[ <br />Surrogates: <br />REC (%) Control <br />Qual <br />Limits <br />Limits <br />1,2-Dichloroethane-d4 <br />101 <br />80-128 <br />1,4-Bromofluorobenzene <br />102 <br />68-120 <br />Dibromofluoromethane <br />97 <br />80-127 <br />Toluene -d8 <br />101 <br />80-120 <br />RL -Reporting Limit , DF - Dilution Factor , Qual - Qualifiers <br />h" 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />