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l <br /> Page 19 of 25 <br /> h <br /> aiscience <br /> Environmental Quality Control - LCS/LCS Duplicat® <br /> Laboraforles,Inc. <br /> Shell Oil Pipeline Company LP Date Received: NIA <br /> P.O. Box 2648 Work Order-No: 09-10-0752 <br /> Houston, TX 77252-2648 Preparation: EPA 5030B l <br /> Method: EPA 82608 <br /> �I <br /> f <br /> Project: 25705 Patterson Pass Rd., Tracy, CA - <br /> Date tate LCS/LCSD Batch Y <br /> Quality Control Sample[D Mahu tnstrument Preps Analyzed Number <br /> 109942-798.2,230 Solid GCIMS VV 10/14109 10114/09 0910141.02 <br /> r meter LCS%REC LCSD%REC RITC ME CL RPD RPD CL Qualiflers <br /> Benzene 101 100 84-114 79-119 0 0-7 <br /> Carbon Tetrachloride 98 98 66-132. 55-143 0 0-12 <br /> Chlorobenzene 100 100. 87-111 $3-116 0 0-7 <br /> 1,2-01bromoethane 98 97, 80-120 73-127 1 0-20 <br /> 1,2-Dichlorobenzene 99 100 79-115 73-121 2 0-8 <br /> 1,1-131chloroethene 98. 98 73-121 65-129 0 0-12 <br /> Ethylbenzene 103 103 80-120 73-127 0 0-20 <br /> Toluene 98 99 78-114 72-120 1 0-7 <br /> Tdchloroelhene 99 100 84-114 79-119 1 0.8 <br /> Vinyt Chloride 93 95 63-129 52-140 2 0-15 <br /> Methyl-t-Butyl Ether(MTBE) 96 98 77-125 69-133 2 0-11 <br /> Tert-Butt'[Alcohol(TBA) 102 102 47-137 32-152 0 0-27 <br /> Dllsopropyl Ether(DIPE) 98 99 764130 67-139 2 0-8 <br /> Ethyl-t-Butyl Ether(ETBE) 100 98 76-124 68-132 2 0.12 <br /> Tert-Amyl-Methyl Ether(TAME) 102 102 82118 76-124 . 1 041 F <br /> Ethanol 99 98 59-131 47-143 1 0-21 :. <br /> Total number of LCS compounds: 16 <br /> Total number of ME compounds: '0 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL valldatlon result: Pass i <br /> i <br /> fI� <br /> I <br /> i <br /> RPD-RelaM Percent Difference, CL-Cont Urnft t <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501 <br />