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r. <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 9459$ (510) 988 9600 FAX(510)988 9673 <br /> V,� Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc Client Project IDf Chevron 9-2033/951213-Z1 <br /> X985 Timothy DriveMatrix Liquid <br /> San Jose, CA 95133 ?� <br /> _Attention Jim Keller Work Order#. 9512B53 -01 Reported Dec 27, 1995;; <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Beryllium Cadmium Chromium Nickel <br /> QC Batch#, ME1218956010MDB ME121895601OMDB ME121895601OMDB ME121895601CMDB <br /> Analy Method' EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Pree. Method: EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst: SO/CM SO/CM SO/CM SO/CM <br /> MS/MSD#' 951295902 951295902 951295902 951295902 <br /> Sample Cone : N D N D N D N D <br /> Prepared Date 12/18/95 12/18/95 12/18/95 12/18/95 <br /> Analyzed Date' 12/19/95 12/19/95 12/19/95 12/19/95 <br /> Instrument I.D.#. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone Spiked: 10 mg/L 10 mg/L 1 0 mg/L 1 0 mg/L <br /> Result. 095 095 095 092 <br /> MS%Recovery, 95 95 95 92 <br /> Dup. Result. 098 097 099 098 <br /> MSD% Recov. 98 97 99 98 <br /> RPD: 31 21 41 63 <br /> RPD Limrt: 0-30 0-30 0-30 0.30 <br /> LCS#: BLK121895 BLK121895 BLK121895 BLK121895 <br /> Prepared Date. 12/18/95 12/18/95 12/18/95 12/18/95 <br /> Analyzed Date: 12/19/95 12/19/95 12/19/95 12/19/95 <br /> Instrument I D.#: MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone Spiked: 10 mg/L 10 mg/L 10 mg/L 1 0 mg/L <br /> LCS Result. 10 10 10 10 <br /> LCS% Recov.: 100 100 100 100 <br /> LCS 75-125 75-125 75.125 75-125 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that 1s analyzed using the same reagents, <br /> Sreer <br /> TICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> is 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 rnatrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> P <br /> ProtectManager "*MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9512853 BLA <1> <br />