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Sequoia 680 Chesapeake Dnvc Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Analytical 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916 921 0100 <br /> 161RESNA ' N Client Protect ID 150047 01, Ekholm Property 4 ' n, xv' <br /> 1710 Main Street Matrix Solid n <br /> Escalon, CA 95320 ^r <br /> Attention John Lane CC Sample Group 4CB9201 Reported Mar 30, 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Diesel <br /> Method: EPA8015 <br /> Analyst: D Tran <br /> I <br /> MS/MSD <br /> Batch# 4CB9701 <br /> Date Prepared: 3/22/94 <br /> Date Analyzed: 3/24/94 <br /> Instrument I D #: GCHP-5A <br /> Conc Spiked- 15 mg/kg <br /> Matrix Spike <br /> % Recovery- 76 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery- 75 <br /> Relative% <br /> Difference 13 <br /> v rrt �}}x�y.4 S ro r{.Kvw ...nfr .,.yr n .rvvry ryn.n riM b�C�"rnry + • v nk nry+ y.w.y..vn wij 4y4G YY�%rvn n-xry rr� <br /> +. • v x r � ` ♦ �±44 rS r v � ; SSy`Jr n-nM1 ++ 4vV 1M1. } <br /> v � � ,.v n ...u q6 v0{r n[ v3' ^h7h T-h h L. {{..v�{.. 43 4 4 . ♦n�v •v C v . } + .... { v.4`...1 y Ory .. .r{i.:St.Crr{-Lr}r.4^�S.Ya •+v O.Ynh[�y�rkr^t+h v� <br /> LCS Batch#. BLK032294 <br /> Date Prepared: 3/22/94 <br /> Date Analyzed: 3/23/94 <br /> Instrument 1 D #. GCHP-5A <br /> LCS % <br /> Recovery: 76 <br /> % Recovery <br /> Control Limits 38-122 <br /> Please Note <br /> The LCS is a control sample of known,interferent free matrix 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 /> XT <br /> Utoje—' <br /> fortified withknown quantities of specific compounds and subjected to the entire analytical procedure If' the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Vickie Tague Clark <br /> Project Manager 4CB9201 wAT 43> <br /> q0 <br />