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Page 41 of 54 r <br /> aiscience <br /> _nvironmental Quality Control - LCSILCS Duplicate <br /> mw aboratories, Inc. <br /> Blaine Tech Services, Inc. Date Received: N/A <br /> 1680 Rogers Avenue Work Order No: 10-12-2197 <br /> San Jose, CA 95112-1105 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Project: San Joaquin Valley Pipeline Devel E, Mountain House, CA <br /> Quality Control Sample I Matrix InstrumentDate Date LCS/LCSD Batch <br /> Prepared Analyzed Number <br /> 099-14.001-3,226 Aqueous GC/MS FF 12131/10 12131/10 1012311-03 <br /> Parameter LCS%REC -CSD%REC °. E <br /> LRE C CL_ ME RPD RPD C Qualifiers <br /> Benzene 106 106 80-120 73-127 0 0-20 <br /> Carbon Tetrachloride 90 92 66-138 54-150 2 0-20 <br /> Chlorobenzene 103 102 80-120 73-127 0 0-20 <br /> 1,2-Dibromoethane 105 108 80-120 73-127 2 0-20 <br /> 1,2-Dichlorobenzene 99 101 80-120 73-127 1 0-20 <br /> 1,2-Dichlorcethane 108 107 80-129 72-137 1 0-20 <br /> 1,1-Dichloroethene 91 97 71-131 61-141 7 0-20 <br /> Ethylbenzene 102 102 80-123 73-130 0 0-20 <br /> Toluene 104 105 79-121 72-128 1 0-20 <br /> Trichloroethene 107 109 80-120 73-127 1 0-20 <br /> Vinyl Chloride 84 85 70-136 59-147 1 0-20 <br /> Methyl-t-Butyl Ether(MTBE) 92 90 72-126 63-135 3 0-22 <br /> Tert-Butyl Alcohol(TBA) 101 99 71-125 62-134 2 0-25 <br /> Diisopropyl Ether(DIPE) 96 91 69-129 59-139 5 0-20 <br /> Ethyl-t-Butyl Ether(ETRE) 95 91 69-129 59-139 4 0-20 <br /> Tert-Amyl-Methyl Ether(TAME) 97 98 67-133 56-144 1 0-20 <br /> Ethanol 90 89 47-155 29-173 1 0-36 <br /> Total number of LCS compounds: 17 <br /> Total number of ME compounds: 0 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL validation result: Pass <br /> RPD-Relative Percent Difference CL-Control Limit <br /> 4 <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501 <br />