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I <br /> Page 9 of 21 j <br /> alscience <br /> i nvironmental Quality Control - Spike/Spike Duplicate K <br /> ■, aboratories, Inc. = lei <br /> � r <br /> Shell Oil Pipeline Company LP Date Received: 10/21/08 <br /> P.O. Box 2648 Work Order No: 08-10-1847 <br /> Houston, TX 77252-2648 Preparation: EPA 7471A Total <br /> Method: EPA 7471A <br /> Project 25705 Patterson Pass Rd., Tracy, CA <br /> Date Date MS/MSD Batch <br /> Quality Control Sampte Io Matrix Instrument Prepared Analyzed Number <br /> 08-10-1908-7 Solid Mercury'- 10123108. . 10/23108 081023503 <br /> Parameter MS%REC MSD%REC %REC CL RPD RPD CL Qualifiers <br /> Mercury 106 109 84-138 2 0-7 <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 <br />