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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364-9600 FAX(4t5) 364-9233 <br /> 1900 Bates Avenue Suite L Concord,CA 94520 (510) 686 9600 FAX(510) 686-9689 <br /> Jqt�o Analytical 919 Sinker Avenue Suite g Sacramento CA 95834 (916) 921-9600 FAX(916)921-Oioo <br /> ir}ry;+Css rvs• +v� r$bf 4 i Ww fr.4ti f S '" �vxs Finw +. v rf v sr+xr a f+.en }.ve v <br /> w}vr' +� fi vs }rix rnW 4n'�Qsk.Srex w4+!>�i.}i <br /> tMittelhauser Corporation n Client Project ID 2168 41-001, Unocal/Tracyw <br /> 7901 Stoneridge Drive, Suite 123 Matrix Solid <br /> ' <br /> Pleasanton,ori, CA 94588 V <br /> Attention R Marks�R Papier Work Order# 950224.3 -01-2 Resorted- Feb 9 1995 <br /> .+.y y,.{ {;� "i ry+}.vmq.-x mMwr}vyfy` +Av.vh�ry-ti sJr4}pr+fn rvxy};f ,...vw.v+.} }+t^'^rv^Frj;'»xv vnw.>}pr�vryCr rr'fSx+Y. <br /> n•vMv�+«+�i�,nw6w rinJ tiYf " nnxSr• m>�r.4 fr-rt}x Jfv+:f sw+PV$:i.W�lvJ i�..svnv.w G'w:»»7�G+A s>i[q{s yr n�N <br /> ' QUALITY CONTROL DATA REPORT <br /> Analyte: Total 0118 Grease <br /> ©C Batch#: OPo2o795s52oExAA <br /> Analy Method: SM 5520 EF <br /> Prep Method: N/A <br /> ' Analyst: M Mistry <br /> MS/MSD#• 95o254302 <br /> Sample Conc.. N D <br /> ' Prepared Date: 2/7/95 <br /> Analyzed Date: 2/8/95 <br /> Instrument I D.#: Manual <br /> ' Conc. Spiked: 30 me/Kg <br /> Result: 16 <br /> MS % Recovery: 53 <br /> Dup Result: 37 <br /> MSD% Recov.: 74 <br /> ' RPD: 79 <br /> RPD Limit: 0-50 <br /> r`+"�5c <br /> r�r�..-. <br /> r >�,nerArfi F+ ,a,Y f:Y Y..r`,.wrJ�'".},,.,wSw-BSc.:. ,1.3�h ;r ;rF}��,.,�3a s,�w.'-:cc+ur �'�-. ,.w.,`,✓'"f r <br /> LCS#' BLK020795 <br /> Prepared Date: 2/7/95 <br /> Analyzed Date: 2/7/95 <br /> Instrument I D.#: Manual <br /> ' Conc. Spiked: 30 mg/Kg <br /> LCS Result: 20 <br /> LCS % Recov.: 67 <br /> 1 <br /> LCS 60-140 <br /> Control Limits <br /> ' Please Note <br /> The LCS is a control sample of known,interferent free matnx that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sample <br /> fff I1 fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> the recovery of analytes from the matrix spike does not fail within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Vickie 7ague Clark <br /> Project Manager ""MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9502243 MMM 41> <br />