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k Page 12 of 18 <br /> alsclence <br /> Environmental Quality Control - LCSILCS Duplicate <br /> Ywr aboratorles, Inc. <br /> Shell Oil Pipeline Company LP Date Received: NIA <br /> P.O. Box 2648 Work Order No: 08-07-1319 <br /> Houston, TX 77252-2648 Preparation: EPA 5030B <br /> Method: EPA 82608 <br /> Project: 25705 Patterson Pass Rd., Tracy, CA <br /> Date Date LCSILCSD Batch <br /> Quality Control Sample ID matrix, Instrument Prepared Analyzed Number <br /> 099.10-00816,580 Saud GC1141S XX 07117108 07/17108 0807111-02 <br /> i <br /> Parameter LCS%REC LCSD%REC f CL jiPQ RPD CL QuallIers <br /> Benzene 102 100 84-114 2 0.7 <br /> Carbon Tetrachloride i 17 109 66-132 2 0-12 <br /> Chlombenzene 104 102 87-111 2 0.7 <br /> 1.2 Dibromoethane 99 98 80-120 1 0-20 <br /> 1.2-01ohlombenzene 103 102 79-116 1 0-8 <br /> 1.1-Dichlorcethene 113 114 73.121 1 0.12 <br /> Ethytbonzene 106 103 80.120 3 0.20 <br /> Toluene 106 103 78.114 2 0-7 <br /> Trichloroethene 101 99 84-114 2 0-8 <br /> I Vinyl Chloride 98 96 63-129 1 0.15 <br /> iI Methyl-t-Butyl Ether(MTBE) 100 99 77-125 1 0.11 <br /> 1 Tort-Butyl Alcohol(TBA) 90 84 47-137 7 0-27 <br /> Diisaprapyl Ether(DIPS) 100 too 76-130 0 0.8 <br /> Ethyl-t-Butyl Ether(ETBF-) 99 99 76-124 0 0-12 , <br /> Tert-Amyl-Methyl Ether(TAME) 98 97 82118 1 0-11 <br /> Ethanol 93 94 59.131 1 0-21 <br /> I <br /> 1 r <br /> t <br /> RPD-Relative Percent Difference. CL-Control Limit <br /> 7440 Lincoln Way, Garden Grave, CA 82841-1427 . TEL(714)895-5494 . FAX:(714)894-7501 <br />�j , <br />