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N <br /> Sequoia 680 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 9473 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Incr Client Project IDnr Chevron 948632 /960820-J2 <br /> 985 Timothy Drive Matrix Liquid <br /> ,San Jose, CA 95133 <br /> ,Attention Jim Keller Work Order# 9608C67-01 Reported Sep 6,x1996 <br /> nrc% v :r rr <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Beryllium Cadmium Chromium Nickel <br /> QC Batch#. ME082696W10MDA ME0a26%W10MDA ME0826900010MDA 1VlEoa26966010MDA <br /> Analy Method. EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Prep. Method EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst' R Butler Ft Butler R Butler R Butler <br /> MS/MSD#: 9WBB1504 960881504 960881504 960881504 <br /> Sample Conc • N D N D N D N D <br /> Prepared Date. 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date- 8/26/96 8/26/96 8/26/96 8/26/96 <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 10 098 098 098 <br /> MS % Recovery, 100 98 98 98 <br /> Dup Result: 10 098 098 098 <br /> MSD %Recov: 100 98 98 98 <br /> RPD* 00 00 00 00 <br /> RPD Limit 0-20 0-20 0-20 0-20 <br /> v r + t vJ n ` M1 �t r v v { v {v + h ''+~ }r { . r. + t r t.+ . •+ + r v ry r. +v s to t v • x+ <br /> LCS #: BLK0a2696 BLK082696 BLK082696 BLK082696 <br /> Prepared Date: 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date- 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Instrument I D #. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked: 1 0 mg/L 10 mg/L 10 mg/L 1 0 mg/L <br /> LCS Result: 1 1 10 10 10 <br /> LCS %Recov • 110 100 100 100 <br /> LCS 80-120 80-120 EO-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 /> SE51A N YTICAL 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 9 <br /> the re analytes from the matrix spike does not fall within specified control limits due to matrix <br /> er#erence,the LCS recovery is to be used to validate the batch <br /> Pe gy ne <br /> Proj ana **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference r 9608067 BLA <5> <br />