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.i Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX{415) 364 9233 <br /> -Y <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510) 488 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> },Blaine Tech Services, Inc Client Project ID Chevron 9-4183/960515-A2 }+ > <br /> 985 Timothy Drive Matrix Liquid k' <br /> San Jose, CA 95133 v' <br /> } <br /> Attention Jim KellerWork Order# 29, 19963tn; <br /> r n vv v '++f + S r ~ rry + r r rr r rr + r x x ` • .r { ,+A4 r r,r r r x,r + r rr,r'~{ + rv} <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 2,4-Dinitro- Pentachloro- Pyrene <br /> toluene phenol <br /> QC Batch#: MS0522968270EXA MS0522968270EXA MS05229W270EXA <br /> Analy Method: EPA 8270 EPA 8270 EPA 8270 <br /> Prep Method: EPA 3510 EPA 3510 EPA 3510 <br /> Analyst: B Pitamah B Pitamah B Pdamah <br /> MS/MSD#: 96o5A2603 9605A2603 9605A2603 <br /> Sample Conc . NO NO 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: 200yg/L 200 pg/L 200Ng/L <br /> Result. 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 /> r {y n v . ` x K ,r + xv... • x r . + + + r r ' , ,.,}�r. , ,i >• <br /> LCS#: BLK052296 BLK052296 BLK0522% <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: 2OOpg/L 200Pg/L 2OONg/L <br /> LCS Result: 170 79 230 <br /> LCS%Recov : 85 40 115 <br /> LCS 24-96 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 /> es O A NALYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sample <br /> J fortified with known quantities of specific compounds and subjected to the entire analytical procedure 0 <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 /> eg y enner MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> P ect Manager Page 3 of 3 9605C36 BLA <7> <br />