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_ Page 9 of 28 <br /> alscience <br /> mnvironmental Analytical Report <br /> aboratories, Inc. <br /> Cardno ERI Date Received: 09/24/11 <br /> 601 North McDowell Blvd. Work Order No: 11-09-1646 <br /> Petaluma, CA 94954-2312 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Units: ug/L <br /> Project: ExxonMobil 99CAS/022789C Page 1 of 4 <br /> Lab Sample Date/Time Date Date/Time <br /> Client Sample Number Number Collected Matrix Instrument Prepared Analyzed QC Batch ID <br /> F 39-MWI 11-09-1646-1-A 09/22/11 Aqueous GC/MS L 09/27/11 09/28/11 110927L03 <br /> 10:20 01:27 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene ND 0.50 1 U Diisopropyl Ether(DIPE) ND 0.50 1 U <br /> Toluene ND 0.50 1 U Ethyl-t-Butyl Ether(ETBE) ND 0.50 1 U <br /> Ethylbenzene ND 0.50 1 U Tert-Amyl-Methyl Ether(TAME) ND 0.50 1 U <br /> Xylenes(total) ND 0.50 1 U 1,2-Dibromoethane ND 0.50 1 U <br /> Methyl-t-Butyl Ether(MTBE) ND 0.50 1 U 1,2-Dichloroethane 1.4 0.50 1 <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surroaates: REC % Control Qual Surrogates: REC M Control Qual <br /> Limits Limits <br /> 1,4-Bromofluorobenzene 95 68-120 Dibromofluoromethane 97 80-127 <br /> 1,2-Dichloroethane-d14 102 80-128 Toluene-d8 98 80-120 <br /> W-39-MW2 11-0-1646-2-A 09/22/11 Aqueous GC1MS L 09/27/11 09/28/11 110927L03 <br /> 12:44 01:56 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 3900 50 100 Diisopropyl Ether(DIPE) ND 50 100 U <br /> Toluene ND 50 100 U Ethyl-t-Butyl Ether(ETBE) ND 50 100 U <br /> Ethylbenzene ND 50 100 U Tert-Amyl-Methyl Ether(TAME) ND 50 100 U <br /> Xylenes(total) ND 50 100 U 1,2-Dibromoethane ND 50 100 U <br /> Methyl-t-Butyl Ether(MTBE) 390 50 100 1,2-Dichloroethane ND 50 100 U <br /> Tert-Butyl Alcohol(TBA) ND 500 100 U <br /> Surrogates: REC % Control Qual Surrooates: REC M Control Qual <br /> Limits Limits <br /> 1,4-Bromofluorobenzene 94 68-120 Dibromofluoromethane 95 80-127 <br /> 1,2-Dichloroethane-d4 98 80-128 Toluene-d8 94 80-120 <br /> W-39-MW3 11-09-1646-3-A 09/22/11 Aqueous GC/MS L 09/27/11 09/28/11 11092711-03 <br /> 11:46 02:25 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 0.67 0.50 1 Diisopropyl Ether(DIPE) ND 0.50 1 U <br /> Toluene ND 0.50 1 U Ethyl-t-Butyl Ether(ETBE) ND 0.50 1 U <br /> Ethylbenzene ND 0.50 1 U Tert-Amyl-Methyl Ether(TAME) ND 0.50 1 U <br /> Xylenes(total) 5.0 0.50 1 1,2-Dibromoethane ND 0.50 1 U <br /> Methyl-t-Butyl Ether(MTBE) ND 0.50 1 U 1,2-Dichlorcethane 2.1 0.50 1 <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surrogates: REC(%) Control Qual Surroaates: REC M Control Qual <br /> Limits Limits <br /> 1,4-Bromofluorobenzene <br /> 96 68-120 Dibromofluoromethane 95 80-127 <br /> 1,2-Dichloroethane-d4 97 80-128 Toluene-d8 106 80-120 <br /> RL-Reporting Limit DF-Dilution Factor Qual-Qualifiers <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />