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Sequoia 680 Chesapeake Drive Rcdwood City,CA 94063 (650) 364%W FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921-0100 <br /> xn a 4ostrategies Client Protect ID a 0-i} rad Aa Y{ v`{.x aZ.ro v,t• wA.C�.x 1J^vv -0 vr.y`r>a ns as rr iv{e.v O v xr +}a rr t ♦Yi++ as} n] v M xv <br /> c r , "� <br /> } ri.w o.c, r o,}a,yl ron.}nrn roror}r, ,r ,s,. rro. >r rr a��c`rs•,.�.,ar.,3+.c. ,:.roc f <br /> `Gettler Ryan/�elJnocalrx$$#5886 �} <br /> #6747 Sierra Court, Ste J Matrix Liquid <br /> ;Dublin, CA 94568Y <br /> ~Attention Deanna Harding Work Order# 9803G84-11, 12 Reported Apr 15, 1998',# <br /> 1t , tirvti a C^'%a'>*�. Sav . v r arra n h v v {A w r0 S� `r tiM1x xMay. lE <br /> vm unM1}a v.rr sv as rr.Aw, riy,ni rr.AY iY x.roh r.'r{a i r } ri JrA~ r..r v.0 i a.r n ry v+v ravn r+.N}r rhC n .a�`ix ww.w•:{Jrivra:{�i.� <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Diesel <br /> QC Batch#' GC0327980HBPEX13 <br /> Analy Method EPA8015M <br /> Prep Method' EPA 3510 <br /> Analyst A Porter <br /> BS/BSD # BLK032798 <br /> Sample Conc N D <br /> Prepared Date 3/27/98 <br /> Analyzed Date 3/31/98 <br /> Instrument I D # GCHP19 <br /> Conc Spiked 1000pg/L <br /> Result 600 <br /> BS % Recovery 80 <br /> IRSDup Result 780 <br /> D % Recov 78 <br /> RPD 25 <br /> RPD Limit 0-50 <br /> LCS # <br /> Prepared Date <br /> Analyzed Date <br /> Instrument I D # <br /> Conc. Spiked <br /> LCS Result <br /> LCS % Recov - <br /> 50-150 <br /> LCS 60-140 <br /> Control Limits <br /> Please Not <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> IFU �ALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquotof sample <br /> 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 /> yinterference,the LCS recovery is to be used to validate the batch <br /> r lect Manager "'MS=Matrix Spike, MSD=MS Duplicate, RPO=Relative%Difference 9803G82 GET <9> <br />