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Page 57 of 73 <br /> alscience <br /> A_nvironmental Quality Control - LCS/LCS Duplicate <br /> Aw aboratories, Inc. <br /> Blaine Tech Services, Inc. Date Received: N/A <br /> 1680 Rogers Avenue Work Order No: 10-09-0132 <br /> San Jose, CA 95112-1105 Preparation: EPA 5030B <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 /> 099-12-767.4,594 .:Aqueous GCIMST: 09/13/10 09/13/10 100813L01 <br /> Parameter LCS%REC LCSD%REC %REC CL RPD RPD CL Qualifiers <br /> Benzene 90 97 80-120 8 0-20 <br /> Ethylbenzene 91 100 80-123 9 0-20 <br /> Toluene 91 97 80-120 7 0-20 <br /> Methyl-t-Butyl Ether(MTBE) 108 117 75-123 8 0-25 <br /> Tert-Butyl Alcohol(TBA) 79 86 72-126 8 0-20 <br /> TPPH 72 70 65-135 4 0-30 <br /> RPD-Relative Percent Difference, CL-Control Limit <br /> ku" <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714) 895-5494 . FAX: (714) 894-7501 <br />