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I 5 <br /> I' <br /> Page 6 of 18 M <br /> ( <br /> environmental Quality Control - Spike/Spike Duplicate <br /> Labora tories, Inc. .` :e <br /> Shell Oil Pipeline Company LP Date Received: 07/29/09 <br /> P.O. Box 2648 Work Order No: 09-07-2287 <br /> Houston,TX 77252-2648 Preparation: EPA 3050B <br /> Method: EPA 60106 <br /> Project 25705 Patterson Pass Road, Tracy, CA I <br /> Date Date MSlMSD Batch <br /> Quality Control Sample ID Matrix Instrument. Prepared Analyzed Number <br /> 7,7 . _ , <br /> 08-07:2241 1 :` $olid 1CP 530,0 ;0.8/05109 08106!08 080805SO4 :' <br /> Parameter MS%REC MSD%REC %REC CL RPD RPD CL Qualifiers <br /> Antimony 42 45 56-115. 6 0-20 3 ? <br /> Arsenic 96 96 75-125 1 0-20 <br /> Barium 97 142 75-125 2 0-20 <br /> Beryllium 102 104 75-125 2 0-20 <br /> Cadmium 100 100 75-125 0 0-20 <br /> Chromium 97 97 75-125 1 0-20 <br /> Cobalt 101 141 75-125 0 0-20 <br /> Copper 109 108 75-125 0 0-20 <br /> Lead 99 98 75-125 1 0-20 <br /> Molybdenum 95 96 75.125 1 0-20 <br /> Nickel 97 97 75-125 1 0-20 <br /> Selenium 86 86 75-125 1 0-20 <br /> Silver 109 111 75-125 2 0-20 <br /> Thallium 91 92 75-125 1 0-20 <br /> Vanadium 100 103 75-125 1 0-20 <br /> J Zinc 93 92 75-125 0 0-20 h <br /> i <br /> kh <br /> f <br /> 3 <br /> ' 1 <br /> RPD-Relativca Percent Difference, CL-Control Limit - <br /> 744D Lincoln Way, Garden Grove, CA 92841-1427 . - TEL:{714)895-5494 • FAX: (794)894-7501 <br />