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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> ID404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> %07 Analytical 819 striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> .. .'"s <br /> w`,.�...'c` <br /> -Blaine Tech Services, Inc Gient Project ID Chevron 9-8264/960524,12 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> I Attentlon Jim Keller Work Order# 9605163-01 Reported Jun 10, 1996<; <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Beryllium Cadmium Chromium Nickel <br /> QC Batch#: MEo531966010MDA ME0531966010MDA ME05319680101VIDA ME053196W10MDA <br /> Anally. Method EPA 5010 EPA&010 EPA 5010 EPA 6010 <br /> Prep Method: EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst S O'Donnell S O'Donnell S O'Donnell S O'Donnell <br /> MS/MSD#: 950515301 960515301 960515301 960515301 <br /> Sample Conc.: ND ND ND 0 079 <br /> Prepared Date: 5/31/95 5/31/96 5/31/96 5/31/96 <br /> Analyzed Date 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Instrument I D #, MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc.Spiked 1 0 mg/L 1 0 mg/L 1 0 mg/L 10 mg/L <br /> Result: 10 093 098 11 <br /> I <br />• MS%Recovery 100 93 98 102 <br /> Dup Result 099 093 097 10 <br /> MSD%Recov .. 99 93 97 92 <br /> RPD. 10 00 10 95 <br /> RPD U mit• 0-20 0-20 0-20 0-20 <br /> ♦{` tYc {+ e } Ff+{ . r � 4 YY ry r}" " Yrr. { r ♦ « + ` <br /> k rvv n n ' ♦ r r++ ry + n +} n++ + <br /> LCS#. BLK053196 BLK053196 BLK053196 BLK053196 <br /> Prepared Date: 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Analyzed Date 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Instrument I.D.#' MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc Spiked: 10 mg/L 10 mg/L 10 mg/L 10 mg/L <br /> LCS Result 10 0 94 0 99 0 ss <br /> LCS% Recov .. 100 94 ss 99 <br /> LCS 80.120 8x120 80120 80.120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,mterferent4ree matrix that is analyzed using the same reagents, <br /> 2gRLne <br /> LYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sempia <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 fall within specified control limits due to matrix <br /> e erern�,the LCS recovery is to be used to validate the batch <br /> r *• <br /> MS. <br /> Spike,MSD=MS Duplicate,RPD=i�etative 96 Difference 9605163 BLA 42> <br />