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Page 25 of 34 <br /> alscience <br /> nvironmental Quality Control - LCS/LCS Duplicate <br /> E <br /> Lu aboratories, Inc. <br /> Blaine Tech Services, Inc. Date Received: N/A <br /> 1680 Rogers Avenue Work Order No: 10-12-0496 <br /> San Jose, CA 95112-1105 Preparation: EPA 5030C <br /> Method: LUFT GC/MS / EPA 8260B <br /> Project: 3515 Navy Drive, Stockton, CA <br /> Date Date LCS/LCSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 099-12-767-5,026- Aqueous. . GUMS PP 12110/10 12111110 10121OL02 <br /> Parameter LCS%REC LCSD%REC %REC CL RPD RPD CL Qualifiers <br /> Benzene 91 97 80-120 6 0-20 <br /> Ethylbenzene 94 100 80-123 6 0-20 <br /> Toluene 95 99 79-121 5 0-20 <br /> Methyl-t-Butyl Ether(MTBE) 87 91 72-126 4 0-22 <br /> Tert-Butyl Alcohol(TBA) 104 101 71-125 3 0-25 <br /> Diisopropyl Ether(DIPE) 90 97 69-129 8 0-20 <br /> Ethyl-t-Butyl Ether(ETBE) 91 95 69-129 5 0-20 <br /> Tert-Amyl-Methyl Ether(TAME) 93 96 67-133 3 0.20 <br /> Ethanol 115 106 47-155 8 0-36 <br /> TPPH 93 96 65-135 3 0-30 <br /> RPD <br /> �����V V• V"'v •`Relative Percent DiRerence. CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714) 895-5494 . FAX: (714)894-7501 <br />