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Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415)364 9233 <br /> y404 N W�Set 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(9 16)921 0100 <br /> r <br /> .+.ryy Hn <br /> Pacific Environmental Group- v Client Project ID 310-097 1A/0123,Tracy <br /> 2025 Gateway Place, Suite 440 Matrix SOLID ; <br /> San Jose, CA 95110 ' <br /> 'Attention Maree Doden Work Order# 9505F62 40-43 Reported Jun 7, 1995 <br /> rY . . v A� �x w .,. r ,.. <br /> r vY iv n rtit vr,♦a vvz r mow. u vw ,.+..+ rt+♦u + + ' ' +.r z r v r 'r w r z rr yr r r ' + <br /> QUALITY CONTROL DATA REPORT <br />' Analyte: Beryllium Cadmium Chromium Nickel <br /> QC Batch#: ME052695601OMDG ME052695601OMDG ME05269550101MD13 ME052695601OMDG <br />' Analy Method: EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Prep Method: EPA 3050 EPA 3050 EPA 3050 EPA 3050 <br /> Analyst: C Medefesser C Medefesser C Medefesser C Medefesser <br />' MS/MSD #: 9505F6240 9505F6240 9505F6240 9505F6240 <br /> Sample Cone : 055 0 55 35 40 <br /> Prepared Date: 5/26/95 5/26/95 5/26/95 5/26/95 <br /> Analyzed Date: 5/27/95 5/27/95 5/27/95 5/27/95 <br />' Instrument LD #. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone. Spiked: 100 mg/Kg 100 mg/Kg 100 mg/Kg 100 mg/Kg <br /> Result: 94 97 130 130 <br /> MS % Recovery. 93 97 95 90 <br /> Dup. Result: 96 100 130 130 <br />' MSD % Recov.: 95 100 95 90 <br /> RPD: 21 30 00 00 <br />' RPD Limd- 0-30 0-30 0-30 0-30 v v v+ V A <br /> ><y <br />' LCS #. <br /> Prepared Date- <br /> Analyzed Date- <br /> Instrument LD.#: <br /> Cone. Spiked_ <br /> LCS Result <br /> LCS % Recov.- <br /> LCS 75-125 75-125 75-125 75-125 <br /> Control Ltmds <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 ANALYTICAL preparabon,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 K <br /> the recovery of analytes from the matrix spike does not tall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Eileen A. Manning <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9505F62-PPP <5a <br />