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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 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> r <br /> rs.hrd` S8 'b:}„F wf ',*^';r.•�" f,n. v ,r,o �` rr•r` ," Y"V` `~,$ r ,, a ' v S } ,., r ,.fir .r,r k`%r4 n`ho`• , Rv+.ks' <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-2033/960515-A1+ v y h n <br /> ,49B5 Timothy Drive Matrix Liquid } <br /> v San Jose, CA 95133 n <br /> Attention Jim Keller Work Order# 9605C37-03 Reported May 29, 1996; <br /> '% <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 2,4-Dinitro- Pentaohloro- Pyrene <br /> toluene phenol <br /> 010 Batch#: MS0522968270EXA MW522968270EKA MS0522968270EXA <br /> Analy Method: EPA 8270 EPA 8270 EPA 8270 <br /> Prop. Method: EPA 3510 EPA 351 D EPA 3510 <br /> Analyst: B Pitamah B Pitamah B Pitamah <br /> MS/MSD#: 9605A2603 960SA2603 9605A26M <br /> Sample Conc.- N D N D N D <br /> Prepared Date 5/22/96 5/22/96 5/22/96 <br /> Analyzed Date: 5/22/96 5/22/96 5/22/96 <br /> Instrument I.D#: F4 F4 F4 <br /> Conc Spiked• 200 ug/L 200 pg/L 200 y9/1- <br /> Result: <br /> g/LResult: 160 190 130 <br /> . MS %Recovery 80 95 65 <br /> Dup Result 160 190 130 <br /> MSD%Recov.: 80 95 65 <br /> RPD 00 00 00 <br /> RPD Limit. 0-13 0-27 0.17 <br /> n}r t nrv¢ ` + ` 4 ,n r• ♦ , ,+ +`S nr v <br /> LCS#. BLK052296 BLK052296 BLK052296 <br /> Prepared Date: 5/22/96 5/22/96 5/22/96 <br /> Analyzed Date, 5/22/96 5/22/96 5/22/96 <br /> Instrument I D.# F4 F4 F4 <br /> Conc Spiked- 200Ijg/L 2DONg/L 20oug/L <br /> LCS Result- 170 79 230 <br /> LCS%Recov.. 85 40 115 <br /> LCS 24-95 9-103 26-127 <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 /> regenner <br /> NALYTICAL 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 li <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 /> **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> ger Page 3 of 3 96D5C37 BLA <8> <br />