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Sequoia680 Chesapeake Drive Redwood C" 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�{� `. r vi' v • art x v v . , . . r ,. r r ' V ' rr <br /> `,Blaine Tech Services, Inc Client Project ID Chevron 948632/960507-W5 r ' <br /> '985 Timothy Drive Matrix Liquid nt <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9605581-01 Reported May 20, 1996 , <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' 1,1-Dichloro- Trichloro- Chloro- <br /> ethane ethane benzene <br /> QC Batch#. GC05139W1015A GCO51396801015A G0051396801015A <br /> Analy. Method: EPA 8010 EPA 8010 EPA 8010 <br /> Prep. Method' EPA 5030 EPA 5030 EPA 5030 <br /> Analyst A.L.J A.Li A.LI <br /> MS/MSD#: 9503553901 9603553901 9603553901 <br /> Sample Conc ' N D N D N D <br /> Prepared Date 5/13/96 5/13/96 5/13/96 <br /> Analyzed Date 5/13/96 5/13/96 5/13/96 <br /> Instrument I.D.#' GCHP15 GCHP15 GCHP15 <br /> Conc. Spiked 25ug/L 25ug/L 25yg/L <br /> Result 23 24 22 <br /> MS%Recovery, 92 96 88 <br /> Dup. Result 23 24 23 <br /> MSD% Recov. 92 96 92 <br /> RPD' 00 00 44 <br /> RPD Limit 0.25 0-25 0-25 <br /> 4ir n r r v5 v } r 1 `V f r s r r ` n ♦ ^ L r v " o n r r <br /> LCS# BLK051395 BLK051396 BLK0513N <br /> Prepared Date, 5/13/96 5/13/96 5/13/96 <br /> Analyzed Date: 5/13/96 5/13/96 5/13/96 <br /> Instrument LD # GCHP15 GCHP15 GCHP15 <br /> Conc. Spiked, 25 pg/L 25 ug/L 25 ug/L <br /> LCS Result 20 22 20 <br /> LCS% Recov 80 88 80 <br /> 60-140 60.140 60-140 <br /> LCS 65-135 70-130 70-130 <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 /> TICAL 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 M <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 /> Ue �tenner **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> t Manager 9605581 BLA <5> <br />