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Page 12 of 31 <br /> 4. alscience <br /> �=nvironmental Analytical Report <br /> aboratories, Inc. <br /> STANTEC Date Received: 12/09/10 <br /> 3017 Kilgore Road, Suite 100 Work Order No: 10-12-0722 <br /> Rancho Cordova, CA 95670-6141 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Units: mg/kg <br /> Project: ARCO Service Station No. 6080 Page 3 of 6 <br /> Lab Sample Date/Time Matrix Instrument Date Date[Time QC Batch ID <br /> Client Sample Number Number Collected Prepared Analyzed <br /> P-5-2 10-12-0722-7-A 12/08110 Solid GC/MS UU 12/09/10 12/09/10 1012091-01 <br /> 12:45 16:28 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qua] <br /> Benzene ND 0.001C 1 Xylenes(total) ND 0.0010 1 <br /> 1,2-Dibromoethane ND 0.001C 1 Methyl-t-Butyl Ether(MTBE) ND 0.0010 1 <br /> 1,2-Dichloroethane ND 0.001C 1 Tert-Butyl Alcohol(TBA) ND 0.010 1 <br /> Ethy]benzene ND 0.0010 1 Diisopropyl Ether(DI PE) ND 0.0020 1 <br /> Ethanol ND 0.10 1 Ethyl-t-Butyl Ether(ETBE) ND 0.0020 1 <br /> Toluene ND 0.0010 1 Tert-Amyl-Methyl Ether(TAME) ND 0.0020 1 <br /> Surrogates: REC °/ Control Qual Surrogates: REC M Control Qual <br /> Limits Limits <br /> Dibromofluoromethane 97 63-141 1,2-Dichloroethane-d4 101 62-146 <br /> Toluene-d8 98 80-120 1,4-Bromofluorobenzene 97 60-132 <br /> P-6-2 10-12-0722-8-A 12/08/10 Solid GC/M S UU 12/09/10 12/09110 101209L01 <br /> 12:55 16:56 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene ND 0.0010 1 Xylenes(total) ND 0.0010 1 <br /> 1,2-Dibromoethane ND 0.0010 1 Methyl-t-Butyl Ether(MTBE) ND 0.0010 1 <br /> 1,2-Dichloroethane ND 0.0010 1 Tert-Butyl Alcohol(TBA) ND 0.010 1 <br /> Ethylbenzene ND 0.0010 1 Diisopropyl Ether(DIPE) ND 0.0020 1 <br /> Ethanol ND 0.10 1 Ethyl-t-Butyl Ether(ETBE) ND 0.0020 1 <br /> Toluene ND 0.0010 1 Tert-Amyl-Methyl Ether(TAME) ND 0.0020 1 <br /> Surrogates: REC % Control Qual Surrogates: REC(%) Control Qual <br /> Limits Limits <br /> Dibromofluoromethane 98 63-141 1,2-Dichloroethane-d4 103 62-146 <br /> Toluene-d8 99 80-120 1,4-Bromofluorobenzene 97 60-132 <br /> F <br /> 3-2.5 10-12-0722-9-A 12/08/10 Solid GC/MSZ 12/09/10 12109/10 1012091-01 <br /> 13:00 16:54 <br /> Parameter Result RL DF Qual Parameter Result RL DF Qual <br /> Benzene ND 0.0010 1 Xylenes(total) ND 0.0010 1 <br /> 1,2-Dibromoethane ND 0.0010 1 Methyl-t-Butyl Ether(MTBE) ND 0.0010 1 <br /> 1,2-Dichloroethane ND 0.0010 1 Tert-Butyl Alcohol(TBA) ND 0.010 1 <br /> Ethylbenzene ND 0.0010 1 Diisopropyl Ether(DIPE) ND 0.0020 1 <br /> Ethanol ND 0.10 1 Ethyl-t-Butyl Ether(ETBE) ND 0.0020 1 <br /> Toluene ND 0.0010 1 Tert-Amyl-Methyl Ether(TAME) ND 0.0020 1 <br /> Surrogates: REC M Control Qual Surrogates: REC(%1 Control Qual <br /> Limits Limits <br /> Dibromofluoromethane 100 63-141 1,2-Dichloroethane-d4 99 62-146 <br /> Toluene-c18 99 80-120 1,4-Bromofluorobenzene 100 60-132 <br /> RL-Reporting Limit DF-Dilution Factor Qual-Qualifiers <br /> 4 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714)895-5494 • FAX: (714)894-7501 <br />