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I :I <br /> Page 10 of 18 <br /> alscience <br /> &-nvironmental Quality Control - Laboratory Control Sample . <br /> 1 aboratories, Inc. ' <br /> Shell Oil Pipeline Company LP Date Received: . NIA <br /> P.O. Box 2648 Work Order No: 09-07-2287 <br /> Houston, TX 77252-2648 Preparation: EPA 3050B <br /> i Method: EPA 60103 <br /> I <br /> Project: 25705 Patterson Pass Road, Tracy, CA <br /> ! <br /> Quallty Control Sample ID Matrix Instrument Date Analyzed Lab File ID LCS Batch Number <br /> ¢lF7-01-i1Q2 12,594 ;S41[ 1CP 531}0, eI0W08 09Q8t)5 1 04 090805L04;' ` <br /> Parameter Cone Added Conc ReMfflred LCS R %Reo CL ME CL Qualifiers <br /> +' Antimony 25.0 24.4 98 80-120 73-127 <br /> Arsenic 25.0 24.6 98 80-120 73-127 <br /> I Barium 25.0 25.6 102 80-120 73-127 <br /> Beryllium 25.0 24.0 96 80-120 73-127 <br /> Cadmium 25.0 25.4 102 80-120 73-127 <br /> Chromium 25.0 24.3 97 80-120 73-127 <br /> Cobalt 25.0 26.6 106 80-120 73-127 <br /> Copper 25.0 25.3 101 80-120 73-127 <br /> Lead 25.0 .26.5 106 80-120 73-127 <br /> Molybdenum 25.0 25.2 _ 101 80-120 73-127 <br /> 1 Nickel 25.0 25.9 103 80-120 73-127 <br /> Selenium 25.0 23.4 94 80-120 73-127 ` <br /> Silver 12.5 12.7 102 8U-120 73-127 <br /> Thallium 25.0 25.3 101 80-120 73-127 <br /> I Vanadium 25.0 24.5 98 80-120 73-127 <br /> Zino 25:0 24.9 100 80-120 73-127 <br /> Total number of LCS compounds: 16 <br /> Total number of ME compounds: 0 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL validation result: Pass <br /> i <br /> i <br /> l <br /> i <br /> i <br /> I <br /> I <br /> j <br /> . t <br /> RPD-RefaUve Percent DlNerence, CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:{714)895-5494 . FAX: {714):894-7501 <br /> k r <br /> l <br />