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Page'12 of 18 <br /> atsctence <br /> Environmental Quality Control - LCS/LCS Duplicate <br /> Laboratories, Inc. <br /> Shell Oil Pipeline Company LP Date Received: NIA <br /> P.O. Box 2648 Work Order No: 09-05-0367 <br /> Houston, TX 77252-2648 Preparation: EPA 5030B <br /> Method: EPA 8260B <br /> Project: 25705 Patterson Pass Rd., Tracy, CA <br /> pate Date LCSILCSD Batch <br /> Quallty Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 088-72 786-9,485 ` Solid :: GC1MS.#3. 05H2109 05112109 0!#05.72L04 <br /> ; <br /> Parameter LCS%REC LCSD%!REG %REC CL ME CL RED RPD CL Quallflel§ � <br /> Benzene 86 95 84-1.14 79-119 1 0-7 <br /> Carbon Tetrachloride 101 102 66-132 55-143 .1 0-12 <br /> Chlorobenzene 102 101 87-111 83-115 1 0-7 <br /> 1,2-Dibromoethans 105 106 80-120 73-127 1 0-20 <br /> 1,2-Dichlorobenzene 103 100 79-115 73-121 3 0.8 <br /> 1,1-01chloroethene 94 106 73-121 65-129 12 0-12 <br /> Ethylbenzene 107. 105 80-120 73-127 1 0-20 <br /> Toluene 101 102 78-114 72-120 0 0-7 <br /> Tdchioroethene 100 100 84-114 79=119 1 0-8 <br /> Vinyl Chloride 98 109 63-129 52-140 11 0-15 <br /> Methyl-#-Butyl Ether(MTBE) 103 110 77-125 69-133 7 0-11 { <br /> Tert-Butyl Alcohof(TBA) 100 94 47-137 32-152 7 0-27 <br /> Dllsopropyl Ether(RIPE) 109 103 76-130 67-139 5 0-8 <br /> Ethyl-t-Butyl Ether(ETRE) 110 104 76-124 88A32 5 0-12 I <br /> Tert-Amyl-Methyl Ether(TAME) 110 109 82-118 76-124 1 0-11 <br /> Ethanol 86 95 59-131 47-143 10 0-21 <br /> Total numbor of LCS compounds: 16 <br /> Total number of ME compounds: 0 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL validation result: Paso <br /> I <br /> i <br /> I <br /> i <br /> �I <br /> RPD-Retative Percent Difference. CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501. <br /> � u <br />