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ry i.1iu 4 <br /> h ® Sequoia 680 Chesapeake Dnve Redwood Gly CA 94063 (415) 364-9600 FAX(415)364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988%73 <br /> X117 Analytical 819 Stnker Avenue Swte 8 Sacramento CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> Canonie Environmental Client Project ID 94-331 Holt Brothers <br /> 1710 Main Street- - Matra Liquid <br /> Escalon, CA 95320 <br /> Attention John Lane Work Order# 9503M73 -01-5 Reported Apr 17, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Diesel <br /> QC Batch# GCO404950HBPEXY <br /> Analy Method: EPA 8015M <br /> Prep Method: EPA 3520 <br /> Analyst: B Ali <br /> MS/MSD#: 95o3L73o1 <br /> Sample Cone.-. 330 <br /> Prepared Date: 4/4/95 <br /> Analyzed Date: 4/8/95 <br /> Instrument LD #: GCHP5 <br /> Cone Spiked: 600 pg/L <br /> Result: 690 <br /> MS%Recovery: 60 <br /> Dup. Result: 530 <br /> MSD% Recov. 33 <br /> RPD 26 <br /> RPD Limit 0-50 <br /> LCS#• BLK040495 <br /> Prepared Date' 4/4/95 <br /> Analyzed Date 4/5/95 <br /> Instrument I.D.#' GCHP5 <br /> Cone. Spiked: 600 jig/L <br /> LCS Result. 430 <br /> LCS% Recov : 72 <br /> LCS 38-122 <br /> Control Limits <br /> Please Note <br /> The LCS 1s 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 /> fortified with known quantities of specific compounds and subjected to the enure analytical procedure N <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> l Interference,the LCS recovery is to be used to validate the batch <br /> Vickie Tague Clark <br /> Project Manager *'MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9503M73 CAN 1> <br />