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Page 11 of 36 <br /> LZ <br /> alscience <br /> �. <br /> AC�nuironmental Analytical Report <br /> mfw aboratories, Inc. <br /> Cardno ERI Date Received: 03/17/12 <br /> 601 North McDowell Blvd. Work Order No: 12-03-1242 <br /> Petaluma, CA 94954-2312 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Units: ug/L <br /> Project: ExxonMobil 99CAS/022789C Page 1 of 6 <br /> Lab Sample Date/Time Date Date/Time <br /> Client Sample Number Number Collected Matrix Instrument Prepared Analyzed QC Batch ID <br /> [W32-MW1 12-03-1242-1-A 03/14/12 Aqueous GC/MS L 03122/12 03/22/12 120322L01 <br /> 12:00 23:09 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 3.3 0.50 1 Diisopropyl Ether(DIPE) ND 0.50 1 U <br /> Toluene 0.76 0.50 1 Ethyl-t-Butyl Ether(ETBE) ND 0.50 1 U <br /> Ethylbenzene 0.54 0.50 1 Tert-Amyl-Methyl Ether(TAME) ND 0.50 1 U <br /> Xylenes(total) 0.70 0.50 1 1,2-Dibromoethane ND 0.50 1 U <br /> Methyl-t-Butyl Ether(MTBE) ND 0.50 1 U 1,2-Dichloroethane 0.89 0.50 1 <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surrogates: RE ° Control Cul ll Surrogates: REC(%) Control Qual <br /> Limits Li it <br /> 1,4-Bromofluorobenzene 94 68-120 Dibromofluoromethane 97 80-127 <br /> 1,2-Dichloroethane-d4 106 80-128 Toluene-d8 98 80-120 <br /> W-02-MW2 12-03-1242-2-A 03/15112 Aqueous GC/MS L 03/22/12 03/22/12 120322L01 <br /> 11:15 23:37 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 5300 100 200 Diisopropyl Ether(DIPE) ND 100 200 U <br /> Toluene ND 100 200 U Ethyl-t-Butyl Ether(ETBE) ND 100 200 U <br /> Ethylbenzene ND 100 200 U Tert-Amyl-Methyl Ether(TAME) ND 100 200 U <br /> Xylenes(total) ND 100 200 U 1,2-Dibromoethane ND 100 200 U <br /> Methyl-t-Butyl Ether(MTBE) 590 100 200 1,2-Dichloroethane ND 100 200 U <br /> Tert-Butyl Alcohol(TBA) ND 1000 200 U <br /> Surrogates: REC Control Qual Surrogates: REC(%) Control Qui 1 <br /> Limits Limits <br /> 1,4-Bromofluorobenzene 91 68-120 Dibromofluoromethane 101 80-127 <br /> 1,2-Dichloroethane-d4 107 80-128 Toluene-08 97 80-120 <br /> W-31-MW3 12-03-1242-3-A 03/15112 Aqueous GC/MS L 03122/12 03/23/12 120322L01 <br /> 07:00 00:04 <br /> Parameter Result RL DF (dual P rame er &kUft 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 0.71 0.50 1 Tert-Amyl-Methyl Ether(TAME) ND 0.50 1 U <br /> Xylenes(total) 2.5 0.50 1 1,2-Dibromoethane ND 0.50 1 U <br /> Methyl-t-Butyl Ether(MTBE) ND 0.50 1 U 1,2-Dichloroethane 0.60 0.50 1 <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surroaates: REC(%) Control Qual Surr ates: REC Control Qual <br /> Limits limits <br /> 1,4-Bromofluorobenzene 96 68-120 Dibromofluoromethane 95 80-127 <br /> 1,2-Dichloroethane-d4 105 80-128 Toluene-d8 98 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 />