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1534 Willow Pass Road,Pinsburg,CA 94365-1701 <br /> McCampbell Analytical, Inc. Toll Free Telephone:(877)252-92621Fax:(925)252-9269 <br /> "When Quality Counts" hrtp'.Iwww mceompbell com'E-mail-mainrcLmccampbell tom <br /> Quality Control Report <br /> Client: Fremouw Environmental Services, Inc, WorkOrder: 1904D86 <br /> Date Prepared: 511119 Bntch[D: 177130 <br /> Date Analyzed: 5109 Extraction Method: SW5030B <br /> Instrument: GO Analytical Method: SW8021BI8015Bm <br /> Matrix: Water Unit: µg/L <br /> Project: 82535; B&C Painting Sample ID: MB/LCSILCSD-177I30 <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> TPH(g)(C6-C12) ND 23 50 - - - <br /> MTBE ND 0.36 5.0 - - - <br /> Benzene ND 0.070 0.50 - <br /> Toluene ND 0.14 0.50 - - - <br /> Ethylbenzene ND 0.070 0.50 - - - <br /> m.p-Xylene ND 0.10 1,0 - - - <br /> o-Xylene ND 0 040 0.50 - - - <br /> Surrogate Recovery <br /> aaa-TFT 8.7 10 87 74-117 <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH(btex) 61 64 60 101 107 78-116 5.43 20 <br /> MTBE— 90 9.1 10 Y 90 91 72-122 1.30 20 <br /> Benzene 9.9 11 10 99 106 81-123 7.07 20 <br /> Toluene 10 11 10 102 112 83-129 8.72 20 <br /> Ethylbenzene J 10 11 10 101 108 88-126 749 20 <br /> m.p-Xylene 20 22 20 102 109 80-120 6.91 20 <br /> o-Xylene 9.9 11 10 99 105 80-120 6.63 20 <br /> Surrogate Recovery <br /> aaa-TFT 8.8 8 8 10 88 88 74-117 0 20 <br /> CA ELAP 1644-NELAP 4033ORELAP <br /> Page 9 of 14 <br />