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• • Page 15 of 22 <br /> ralscience <br /> =nvironmental Quality Control - LCS/LCS Duplicate <br /> jw aboratories, Inc. <br /> Kiff Analytical Date Received: N/A <br /> 2795 2nd Street, Suite 300 Work Order No: 09-01-1418 <br /> Davis, CA 95616-6593 Preparation: EPA 30506 <br /> Method: EPA 60108 <br /> Project: Stockton Promenade <br /> Date Date LCS/LCSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 097.01-002.11,970 Solid ICP 5300 01121/09 01122109 090121 L05 <br /> Parameter LCS%REC LCSD%REC %REC CL RPD RPD CL Qualifiers <br /> Cadmium 107 114 80-120 6 0-20 <br /> Chromium 101 107 80-120 5 0-20 <br /> Lead 105 111 80-120 6 0-20 <br /> Nickel 109 116 80-120 6 0-20 <br /> Zinc 103 108 80-120 5 0-20 <br /> RPD <br /> ��W����/• V-V •`Relative Percent Difference. CL-Control Limh <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501 <br />