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Page 11 of 43 <br />alscience <br />Result <br />RL <br />Aw= nvironmental <br />6 <br />Analytical Report <br />Result <br />aboratories, Inc. <br />Qual <br />Benzene <br />Cardno ERI <br />Date Received: <br />05/26/11 <br />601 North McDowell Blvd. <br />Work Order No: <br />11-05-1637 <br />Petaluma, CA 94954-2312 <br />Preparation: <br />EPA 5030C <br />0.50 <br />Method: <br />EPA 8260B <br />ND <br />Units: <br />ug/L <br />Project: ExxonMobil 99CAS/022789C <br />ND <br />Page 1 of 6 <br />1 U <br />Lab Sample Date/Time Date <br />Date/Time <br />Client Sample Number <br />Number Collected Matrix Instrument Prepared <br />Analyzed QC Batch ID <br />W-33-MWI <br />11.05-1637.1-A 05/18/11 Aqueous GUMS L 05/26/11 <br />05127/11 1105261L02 <br />1,2-Dibromoethane <br />13:55 <br />02:23 <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL DF <br />Qual <br />Benzene <br />ND <br />0.50 <br />1 U <br />DiisopropylEther (DIPE) <br />ND <br />0.50 1 <br />U <br />Toluene <br />ND <br />0.50 <br />F U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />0.50 i <br />U <br />Ethylbenzene <br />ND <br />0.50 <br />1 U <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />0.50 1 <br />U <br />Xylenes (total) <br />ND <br />0.50 <br />1 U <br />1,2-Dibromoethane <br />ND <br />0.50 1 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.50 <br />i U <br />1,2-Dichloroethane <br />1.5 <br />0.50 1 <br />50 <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 U <br />50 <br />100 <br />1,2-Dichloroethane <br />Surrogates: <br />REC (%) Control <br />Qual <br />Surrogates: <br />REC % <br />Control <br />Qual <br />100 <br />U <br />Limits <br />Limits <br />Limits <br />Surrogates: <br />1,4-13romofluorobenzene <br />95 <br />68-120 <br />80-120 <br />1,2-Dichloroethane-d4 <br />114 <br />80-128 <br />80-127 <br />Toluene -l8 <br />98 <br />80-120 <br />80-128 <br />Dibromofluoromethane <br />114 <br />80-127 <br />Limits <br />W-33-MW2 <br />Toluene -d8 <br />11-05-1637-2-B <br />05/19/11 Aqueous GCIMS L <br />05/27/11 <br />05127/11 <br />110527L01 <br />116 <br />80-127 <br />13:00 <br />93 <br />16:04 <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Benzene <br />3200 <br />50 <br />100 <br />0.50 <br />Diisopropyl Ether (DIPE) <br />ND <br />50 <br />100 <br />U <br />Toluene <br />ND <br />50 <br />100 <br />U <br />Ethyl -t -Butyl Ether (ETBE) <br />ND <br />50 <br />100 <br />U <br />Ethylbenzene <br />ND <br />50 <br />100 <br />U <br />Tert-Amyl-Methyl Ether (TAME) <br />ND <br />50 <br />100 <br />U <br />Xylenes (total) <br />ND <br />50 <br />100 <br />U <br />1,2-Dibromoethane <br />ND <br />50 <br />100 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />460 <br />50 <br />100 <br />1,2-Dichloroethane <br />ND <br />50 <br />100 <br />U <br />Tert-Butyl Alcohol (TBA) <br />ND <br />500 <br />100 <br />U <br />Limits <br />Surrogates: <br />REC % <br />Control <br />Qual <br />80-120 <br />Surrogates: <br />REC f%1 Control <br />Qual <br />80-127 <br />1,2-Dichloroethane-d4 <br />Limits <br />80-128 <br />1,4-Bromofluorobenzene <br />95 <br />Limits <br />Toluene -d8 <br />95 <br />80-120 <br />Dibromofluoromethane <br />116 <br />80-127 <br />1,4-Bromofluorobenzene <br />93 <br />68-120 <br />1,2-Dichloroethane-d4 <br />102 <br />80-128 <br />W-32-MW3 11-05-1637-3-A 05119/11 Aqueous GUMS L 05/26/11 05127111 1105261L02 <br />09:40 07:53 <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 />! 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 />U <br />1,2-Dichloroethane <br />3.4 <br />0.50 <br />1 <br />Tert-Butyl Alcohol (TBA) <br />ND <br />5.0 <br />1 U <br />Surrogates: <br />REC (%1 <br />Control <br />Qual <br />Surrogates: <br />REC t%1 <br />Control <br />Qual <br />Limits <br />Limits <br />Toluene -d8 <br />100 <br />80-120 <br />Dibromofluoromethane <br />116 <br />80-127 <br />1,2-Dichloroethane-d4 <br />112 <br />80-128 <br />1,4-Bromofluorobenzene <br />95 <br />68-120 <br />RL -Reporting Limit , DF - Dilution Factor , Qual -Qualifiers <br />k� <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />