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0 680 Chesapeake Drive Redwood City,CA 9 (415) 364-9600 FAX(415) 364-9233 <br /> Sequoia 0 -9673 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (5io) 988-9600 FAX(510)988 <br /> Analytical 119 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> -K <br /> ............ <br /> Cambria Environmental... Tech. Client Project 10: 204-4126-"0502 <br /> 65th St., Ste. C Matrix: <br /> Solid <br /> 1144 <br /> Oakland, CA 94608SepA, .. <br /> Work Order#: 96081326 16-25 Reported: <br /> Attention: Pau!Waite ..... ... <br /> .... ... ... <br /> QUALITY CONTROL DATA REPORT <br /> Analyte:AnaBenzene Toluene Ethyl Xylenes <br /> a <br /> Benzene <br /> GCO82196BTEXEXA <br /> Q Q C <br /> C Ba ch#: GCO821966TEXEXA GCO82196BTEXEXA GC082196BTEXEXA EPA 8020 <br /> ti EPA 8020 <br /> Y. M EPA 8020 EPA 8020 <br /> Analy. Method: EPA 5030 <br /> Prep. <br /> Met EPA 5030 EPA 5030 EPA 5030 <br /> FPrep. Method: <br /> Analyst: Y,Arteaga Y.Arteaga Y.Arteaga Y.Arteaga <br /> MS/MSD#: 9608576111 960857611 960857611 960857611 <br /> Sample Conc.: N.D. N.D. N,D. N.D. <br /> Prepared Date- 8/21/96 8/21/96 8/21/96 8/21/96 <br /> Analyzed Date: 8/21/96 B/21/96 8/21/96 8/21/96 <br /> Instrument I.D.#: GCHP18 GCHP18 GCHP18 GC <br /> Cone. Spiked: 0.20 mg/K9 0.20 mg/K9 0.20 mg1Kg 0.60 rng/Kg <br /> Result: 0.20 0.21 0.19 0.63 <br /> MS% Recovery: 100 105 95 105 <br /> Dup. Result: 0.18 0.18 0.16 0.51 <br /> MSD %Recov.: 90 90 80 92 <br /> RPD: 11 15 17 14 <br /> RPD Limit: 0-25 0-25 0-25 0-25 <br /> .......... <br /> ............ I...... .......... <br /> LCS #: BLK082196 BLK082196 BLK082196 BLK082196 <br /> Prepared Date: 8/21/96 8/21/96 8/21/96 8/21/96 <br /> Analyzed Date: 8/22/96 8/22/96 8/22/96 8/22/96 <br /> Instrument I.D.#: GCHP18 GCHP18 GCHP1 8 GCHP18 <br /> Cone. Spiked: 0.20 mg/Kg 0.20 mg/Kg 0,20 mg/Kg 0.60 mg/K9 <br /> LCS Result: 0.20 0.20 0.20 0.60 <br /> LCS % Recov.: 100 100 100 100 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 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 /> SEQUOIA ANALYTICAL 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 /> 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 /> Ke in Follett <br /> Project Manager MS=Matrix Spike,VISD=MS Duplicate,RPD=Relative%Difference 9608826.GCC <2> <br />