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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 /> Tech Services, Inc YJClient Project I© Chevron 9-2033%960515-A1 <br /> ,,Blaine985 Timothy Drive Matrix Liquid t; <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9605C37-03 Reported May 29, 1996;' <br /> r h�a `rr i�vnn} v rr< v " '- r '. r v •v .v x t,. ~ r v v} •r .... vv r n{. • a . . v r. +. 4 i.r' t r v r ,r . � O <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Phenol 2-Chlorophenol 1,4-Dlchloro N-Nitroso-D1- <br /> benzene N-propyiamine <br /> OC Batch# MS0522968270EXA M50522968270EXA MS0522968270EXA MS0522968270EXA <br /> Analy. Method. EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prop. Method- EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst: B Pitamah i3 Pttamah B Pitamah B Pitamah <br /> MS/MSD#. 96o5A2so3 9605A2603 9605A2603 9605A2603 <br /> Sample Conc N D N D N D N D <br /> Prepared Date- 5/22/96 5/22/96 5/22/96 5/22/96 <br /> Analyzed Date 5/22/96 5/22/96 5/22/96 5/22/96 <br /> Instrument I.D.#. F4 F4 F4 F4 <br /> Conc Spiked- 20099/1- 200Erg/L 200pg/L 2Wug/L <br /> Result- 72 150 140 160 <br />. MS%Recovery. 36 75 70 s0 <br /> Dup Result- 73 150 150 160 <br /> MSD%Recov.: 37 75 75 80 <br /> RPD 14 00 69 00 <br /> RPD Limit- 0-20 0-15 0-13 0-18 <br /> LCS#: BLK052296 BLK052296 BLK052296 BLK052296 <br /> Prepared Date: 5/22/96 5/22/96 5/22/96 5/22/96 <br /> Analyzed Date: 5/22/96 5/22/96 5/22/96 5/22/96 <br /> Instrument LD #: F4 F4 F4 F4 <br /> Conc.Spiked: 200 pg/L 2Wpg/L 20opg/L 200pg/L <br /> LCS Result: 78 160 150 170 - <br /> LCS%Recov.: 39 80 75 85 <br /> LCS 12-110 27-123 36-97 41-116 <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 /> r, SttManager <br /> ALYTICAL pre oration,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> rtrfied 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 fail within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> P **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> PPage 1 of 3 9605037 BLA <6> <br />