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Sequoia680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0140 <br /> � Y {] G` s• � ] r. v " }r v r r } ' r r { l v ryt r.....I } r '� <br /> 466Tech Services, Inc Client Project ID Chevron 9-1918/960430-1-1h <br /> �x <br /> ,985 Timothy Drive Matrix Liquid k <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9604K48-01-06 Reported May 10, 1996�-k <br /> v r 5 • ♦ G YY t r}}v <br /> r]1 n r.J r} v n ♦ v t r r ' 'r { M1 r v r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Beryllium Cadmium Chromium Nickel <br /> OC Batch#. ME0506966010M2A ME0506966010M2A ME0506966010M2A ME0506966010M2A <br /> Analy Method EPA 6010 EPA 6010 EPA 6010 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# 9604K48o6 9604K4806 9604K4806 9604K4806 <br /> Sample Cone N D N D N D N D <br /> Prepared Date 5/6/96 5/6/96 5/6/96 5/6/96 <br /> Analyzed Date 5/7/96 5/7/96 5/7/96 5/7/96 <br /> Instrument I D# MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone Spiked- 10 mg/L 1 0 mg/L 10 mg/L 10 mg/L <br /> Result 10 10 099 10 <br /> MS%Recovery 100 100 99 100 <br /> Dup Result 10 10 099 10 <br /> MSD%Recov 100 100 99 100 <br /> RPD. 00 00 00 00 <br /> RPD Limit 0-20 0-20 0.20 0-20 <br /> LCS#: CCVMID42296 CCVM1042296 CCVMI042296 CCVMI042296 <br /> Prepared Date 4/22/96 4/22/96 4/22/96 4/22/96 <br /> Analyzed Date 5/6/96 5/6/96 5/6/96 5/6/96 <br /> Instrument I D # MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone Spiked 5 0 mg/L 5 0 mg/L 5 0 mg/L 5 0 mg/L <br /> LCS Result. 4 9 49 49 49 <br /> LCS%Recov,. 98 98 98 98 <br /> LCS 80-120 80-120 80-120 80-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> Veenner <br /> ALYTICAL 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 entire analytical procedure if <br /> 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 /> ger *•MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 96043048 BLA <4> <br />