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_ Page 13 of 36 <br /> LZalscience _ <br /> K. nor,onmenfal Analytical Report <br /> a►borafories 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 3 of 6 <br /> Lab Sample Date/Time Date Date/Time <br /> Client Sample Numbe3 Number Collected Matrix Instrument prepared Analyzed QC Batch ID <br /> W-31-MW7 12-03-1242-7-B 03/14112 Aqueous GC/MS L 03124/12 03/25/12 120324L02 <br /> 15:10 03:39 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 3.7 0.50 1 Diisopropyl Ether(DIPE) ND 0.50 1 U <br /> Toluene 0.97 0.50 1 Ethyl-t-Butyl Ether(ETBE) ND 0.50 1 U <br /> Ethylbenzene 0.65 0.50 1 Tert-Amyl-Methyl Ether(TAME) ND 0.50 1 U <br /> Xylenes(total) 0.99 0.50 1 1,2-Dibromoethane ND 0.50 1 U <br /> Methyl-t-Butyl Ether(MTBE) ND 0.50 1 U 1,2-Dichloroolhane ND 0.50 1 U <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surrogates: RE °/ Control Qua[ Surroaates: REC °/ Control Qual <br /> Limit Lbih <br /> 1,4-Bromofluorobenzene 94 68-120 Dibromofluoromethane 104 80-127 <br /> 1,2-Dichloroethane-d4 106 60-128 Toluene-c18 97 80-120 <br /> W-32-MW8 12-03-1242-8-B 03/14/12 Aqueous GC/MS L 03/24/12 03125/12 12032411.02 <br /> 15:50 04:06 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene 0.53 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) 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 ND 0.50 1 U <br /> Tert-Butyl Alcohol(TBA) ND 5.0 1 U <br /> Surrogates: RE %) Control Quell Surrogates: REC(%) Control Qual <br /> Lil= Limits <br /> 1,4-Bromofluorobenzene 92 68-120 Dibromofluoromethane 101 80-127 <br /> 1,2-Dichloroethane-d4 104 80-128 Toluene-d8 97 80-120 <br /> W-33-DW1 12-03-1242-9-B 03115112 Aqueous GC/MSL 03124112 03/25/12 120324L02 l <br /> 10:20 04.33 Il <br /> Parameter Result EL DF Qual Parameter Result RL DF Qual <br /> Benzene 540 25 50 Diisopropyl Ether(DIPE) ND 25 50 U <br /> Toluene 330 25 50 Ethyl-t-Butyl Ether(ETBE) ND 25 50 U <br /> Ethylbenzene 57 25 50 Tert-Amyl-Methyl Ether(TAME) ND 25 50 U <br /> Xylenes(total) 190 25 50 1,2-Dibromoethane ND 25 50 U <br /> Methyl-t-Butyl Ether(MTBE) ND 25 50 U 1,2-Dichloroethane ND 25 50 U <br /> Tert-Butyl Alcohol(TBA) ND 250 50 U <br /> Surc ates: REC 1%1 Control Qual Surrogates: REC(%) Control Qual <br /> Limits Limits <br /> 1,4-Bromofluorobenzene 98 68-120 Dibromofluoromethane 105 80-127 <br /> 1,2-Dichloroethane-d4 102 80-128 Toluene-c18 97 80-120 <br /> RL-Reporting Limit DF-Dilution Factor Qual-Qualifiers <br /> W4� <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714)894-7501 <br />