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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N.W!8,t Lane Walnut Creek,CA 94598 (925)988-9600 FAX(9Z5)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd.North.Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ............... <br /> ....... . <br /> ................. <br /> Inc. <br /> — <br /> Blaine Tech Services, Inc. Client Project"ID: Shelf% <br /> 1680 Rogers Ave. Matrix: Liquid <br /> "....'San Jose, CA 95112 <br /> Attention: Fran Thie Work Order#: 9808957 01-06 Reported: Sep 9, 199 <br /> ........... <br /> 9808961 07-08 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes BTEXasTPH <br /> Benzene <br /> Or- E3atch#: GCO82698802009A GCO82698802009A GCO82698802009A GCO82698802009A GCO82698802009A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: D. Newcomb D.Newcomb D. Newcomb D.Newcomb D. Newcomb <br /> MS/MSD#: 8080596 8080596 8080596 8080596 8080596 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Prepared Date: 8/26/98 8/26/98 8/26/98 8/26/98 8/26/98 <br /> Analyzed Date: 8/26/98 8/26/98 8/26/98 8/26/98 8/25/98 <br /> Instrument J.D.#: HP9 HP9 HP9 HP9 HP9 <br /> Conc. Spiked: 20pg/L 20pg/L 20,ug/L 60pg/L 240 pg/L <br /> Result: 19 20 21 65 240 <br /> MS %Recovery: 95 100 105 108 100 <br /> Dup. Result: 19 21 21 65 240 <br /> MSD % Recov.: 95 105 105 108 100 <br /> RPD: 0.0 4.9 0.0 0.0 0.0 <br /> RPD Limit: 0-20 0-20 0-20 0-20 0-50 <br /> ......................... <br /> .,::: ::,,. 1:-.-.--.—.............. <br /> 0: ............... <br /> ........... <br /> .................. <br /> ........... ........... ........ .................. <br /> .......... ......... - -:': ....... .............. <br /> .... .......................... <br /> -.0. .......... ..... ........ .... <br /> ................................ ....... <br /> LCS#: LCS082698 LCS082698 LCS082698 LCS082698 LCS082698 <br /> Prepared Date: 8/26/98 8/26/98 8/26/98 8/26/98 8/26/98 <br /> Analyzed Date: 8/26/98 8/26/98 8/26/98 8/26/98 B/26/98 <br /> Instrument I.D.#: HP9 HP9 HP9 HP9 HP9 <br /> Conc. Spiked: 20,ug/L 20 pg/L 20 pg/L 60pg/L 240,ug/L <br /> LCS Result: 22 23 24 75 260 <br /> LCS % Recov.: 110 115 120 125 108 <br /> MS/MSD <br /> LCS 70-130 70-130 70-130 70-130 60-140 <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 /> U I NALYTICAL preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> E 2 1 fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> %�! <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> P 7gyenner �nterllerence,the LCS recovery is to be used to validate the batch. <br /> Pir 'ec Manager MS=Matrix Spike,MSD=IVIS Duplicate,RPD=Relative%Difference 9808957.BLA <5> <br />