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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Dave + Redwood City, CA 94063 <br />. (415) 364-9600 + FAX(415) 364-9233 <br /> RESNA' µ' 'Ctient`rProject IDh"lW0402 bo,AHoIt»Bros%&ocjit'on <br /> 1710 Main Street Matroc Water { <br /> Escalon, CA 95320 <br /> Attention John Lane QC Sample Group 3047801-05 Reported Mar 23, f1993 <br /> r +- n r t r � k i r v4 pt wnf l4.vty rjs�r xt fi>v. .. u u S rw ...h'nmrxin.'+S'. { r v x ' » v r r vrr uu� nx nn,.LrJ }es '�Y ~h»++•} <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Diesel <br /> Method: EPA 8015 <br /> Analyst: C Lee <br /> Cone. Spiked: 300 <br /> Units- mg/L <br /> LCS Batch# DBLK031293 <br /> Date Prepared. 3/12/93 <br /> Date Analyzed 3/15/93 <br /> Instrument 1.D.#: GCHP-4A <br /> LCS% <br /> Recovery: 63 <br /> Control Limits. 50-150 <br /> r r .. n r v rr{ r r � ♦ 4 .i rf.{ ry Y f f f r j f f ^ v vlv s 'Y ^ , .} <br /> MS/MSD <br /> Batch#: 930339101 <br /> Date Prepared: 3/11/93 <br /> Date Analyzed 3/12/93 <br /> Instrument I.D.#. GCHP-5A <br /> Matrix Spike <br /> %Recovery: 00 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 100 <br /> Relative% <br /> Difference: 22 <br /> EQUIC11A ANALYTICAL Blease Nota <br /> � Th8LCS is a control sample of known,interferent free matnx that is analyzed using the same reagents, <br /> preparaticmn and analytical methods employed for the samples The LCS%recovery data is used for <br /> V"dation ofapse batch results Due to matrix effects,the QC limas for MS/MSfYs are advisoryonly <br /> a - - _ and a s n i ased to accept or reject batch results <br /> Proje ger _ _ :i ^" sx� _' 3047801 WAT <10> <br />