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COLUMBIA ANALYTICAL SERVICES,INC <br /> QA/QC Report <br /> Client Applied Earth Sciences, Incorporated Service Request. X0400795 <br /> Protect Canteen Corp/AGE-NC-99-0612 <br /> �mple Mafnx Water <br /> Surrogate Recovery Summary <br /> Volatile Organic Compounds <br />' Extraction Method EPA 5030B Units PERCENT <br /> Analysis Method- 8260B Level Low <br /> Sample Name Lab Code Surf Sur2 Sur3 <br /> MW-31081604 X0400795-001 91 88 79 <br />' MW-3A/081604 X0400795-002 103 102 91 <br /> MW-3D/081604 X0400795-003 92 90 75 <br /> MW-13A/081604 X0400795-004 90 87 89 <br /> MW-13B/081604 X0400795-005 96 88 77 <br />' MW-11/081604 X0400795-006 89 84 76 <br /> Tnp Blank X0400795-007 101 88 63 <br /> Method Blank XWG0400953-5 86 81 77 <br />' Method Blank XWG0400980-5 104 93 85 <br /> Batch QC X0400826-010 103 81 77 <br /> MW-3/081604MS XWG0400953-1 101 101 100 <br /> MW-3/08160IDMS XWG0401953-2 89 85 83 <br /> iBatch QCMS XWG0400980-1 106 97 93 <br /> Batch QCDMS XWG0400980-2 101 93 88 <br /> Lab Control Sample XWG0400953-3 91 82 94 <br /> Adikuplicate.Lab Control Sample XWG0400953-4 92 89 88 <br /> Control Sample XWG0400980-3 105 98 93 <br /> Duplicate Lab Control Sample XWG0400980-4 105 96 94 <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> Surrogate Recovery Control Limits (%) <br /> 1 Surl = Dibromofluoromethane 77-121 <br /> Sur2 = Toluene-d8 65-131 <br /> Sur3 = 4-Bromofluorobenzene 68-125 <br /> Its flagged with an asterisk(')indicate values outside control criteria. <br /> Its flagged with a pound(ff)indicate the control criteria is not applicable. <br /> Printed 09/20/2004 11 1111 Form 2A-Organic Page 1 of I <br /> L\STEALT'MCRYSTAL RPTFortn2 rpt SuperSet Reference U4937 <br /> 4 <br />