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680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> Sequoia 4114 K Wig,'Un' Walnut Creek,CA 94598 mo) 988.9600 FAX(510)989-9673 <br /> Analytical <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> x <br /> ... ........ <br /> X <br /> Blaine Tech Services, Inc. Client Project ID: Chevron 9-8632 970902-F2 <br /> 1680 Rogers Ave. Matrix: Liquid <br /> Jose, CA 95112 <br /> ttention: Fran Thie Work Order#: 9709126-04 Reported: Sep 17, 199V.'..": <br /> ­.A <br /> x <br /> X.. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 11,11-Dichloroethene Trichloroethene Benzene Toluene Chloro- <br /> benzene <br /> QC Batch#: MS0908978260F3A MS0908978260F3A MS0908978260F3A MS0908978260F3A MS0908978260173A <br /> Analy. Method: EPA 8260 EPA 8260 EPA 8260 EPA 8260 EPA 8260 <br /> Prep. Method: N.A. N.A. N.A. N.A. N.A. <br /> Analyst: M.Williams M.Williams M.Williams M.Williams M.Williams <br /> MS/MSD #: 970902005 970902005 970902005 970902005 970902005 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Prepared Date: 9/8/97 9/8/97 9/8/97 9/8/97 9/8/97 <br /> Analyzed Date: 9/8/97 9/8/97 9/8/97 9/8/97 9/8/97 <br /> Instrument I.D.#: F3 F3 F3 F3 F3 <br /> Conc. Spiked: 50pg/L 50pg/L 50pg/L 50pg/L 50 pg/L <br /> Result: 48 46 48 47 46 <br /> MS % Recovery: 96 92 96 94 92 <br /> Dup. Result: 48 47 48 45 46 <br /> MSD %Recov.: 96 94 96 90 96 <br /> RPD: 0.0 2.2 0.0 4.3 0.0 <br /> RPD Limit: 0-25 0-25 0-25 0-25 0-25 <br /> ............ "X-Y <br /> .......... <br /> . ......................... <br /> !X <br /> ........... ................. <br /> ..... .. . .......................:­.. <br /> ............. .............. ............................. ........ ................ <br /> ..........I......... X <br /> ........................... <br /> LCS #: VDBO90897 VDBO90897 VDBO90897 VDBO90897 VDBO90897 <br /> Prepared Date: 9/8/97 9/8/97 9/8/97 9/8/97 9/8/97 <br /> Analyzed Date: 9/8/97 9/8/97 9/8/97 9/8/97 9/8/97 <br /> Instrument 11.1014: F3 F5 F3 F3 F3 <br /> Conc. Spiked: 50,ug/L 50 yg/L 50 pg/L 50 jug/L 50 pg/L <br /> LCS Result: 50 47 48 48 47 <br /> LCS % Recov.: 100 94 96 96 94 <br /> MS/MSD 60-140 60-140 60-140 60-140 60-140 <br /> LCS 65-135 70-130 70-130 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 /> �.s 0 A NAILYTICAL 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, If <br /> 117 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 /> egg P nn�r�� MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> r0'5anager 9709126.BLA <6> <br />