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• • Page 42 of 52 1 <br /> alscience 1 <br /> _nvironmental Quality Control - LCS/LCS Duplicate t. . <br /> mm aboratories, Inc. r 1 <br /> GeoSyntec Consultants Date Received: N/A , <br /> 475 14th Street, Suite 450 Work Order No: 11-02-0383 <br /> Oakland, CA 94612-1940 Preparation: EPA 5030C <br /> Method: EPA 80156 (M) 1 <br /> Project: Newark Sierra Stockton /W R1194 <br /> Date Date LCS/LCSD Batch 1 <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 099-12.2474,862 Aqueous GC 42 02/09/11 02/09/11 110209801 <br /> Parameter LCS%REC LCSD%REC %REC CL RPD RPD CL Qualifiers 1 <br /> TPH as Gasoline 91 90 78-120 2 0-10 <br /> i <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> 1 <br /> 1 <br /> � RPD Relative Percent Difference CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501 i <br /> 1 <br />