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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)92 1-0100 <br /> Smith Environmental Client Project ID: 14592, 94-369 01-1 0 <br /> °;=1260 Graphics Drive Matrix: Liquid -- <br /> ��Modesto, CA 95351-1502 <br /> Attention Jeanne Homsey Work Order#: 961OD60 -01, 02 Reported: Nov 1, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> QC Batch#: GC102496BTEX18A GG102496BTEX18A GC102496BTEX18A GC102496BTEX18A GC1024960HBPEXZ <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 3520 <br /> Analyst: R.Geckler R.Geckler R.Geckler R. Geckler J.Minkel <br /> MS/MSD#: 961081603 961OB1603 961OB1603 961081603 961OD6002 <br /> Sample Conc: N.D. N.D. N.Q. N.D. 130 <br /> Prepared Date: 10/24/96 10/24/96 10/24/96 10/24/96 10/24/96 <br /> Analyzed Date: 10/24/96 10/24/96 10/24/96 10/24/96 10/25/96 <br /> Instrument I.D.#: GCHP18 GCHP18 GCHP18 GCHP18 GCHP5 <br /> Conc. Spilled: 10 ug/L 10 fug/L 10 ug/L 30 ug/L 1000 ug/L <br /> Result: 11 10 10 31 1200 <br /> MS %Recovery: 110 100 100 103 107 <br /> - Dup. Result: 11 10 9.9 31 1300 <br /> MSD % Recov.: 110 100 99 103 117 <br /> RPD: 0.0 0.0 1.0 0.0 8.0 <br /> RPD Limit: 0-25 0-25 0-25 0-25 0-50 <br /> :...........:...... <br /> ... .....::.:..:.:..:..: <br /> .:.:..... . :.: .... .. .. .:.: <br /> .._:._. <br /> LCS #: BLK102396 BLK102396 BLK102396 BLK102396 BLK102496 <br /> i <br /> Prepared Date: 10/24/96 10/24/96 10/24/96 10/24/96 10/24/96 <br /> Analyzed Date: 10/24/96 10/24/96 10/24/96 10/24/96 10/25/96 <br /> Instrument I.D.#: GCHP18 GCHP18 GCHP18 GCHP18 GCHP5 <br /> Conc. Spiked: 10ug/L 10ug/L 10ug/L 30ug/L 1000ug/L <br /> LCS Result: 11 10 10 31 1200 <br /> LCS %Recov.: 110 100 100 103 120 <br /> MS/MSD 60-140 60-140 60-140 60-140 50-150 <br /> LCS 70-130 70-130 70-130 70-130 60-140 <br /> Control Limits <br /> Please Note: 4 <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed'using the same reagents, j <br /> SE?Ank/ils <br /> NALYTICA 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 /> Vyt <br /> Project Manager •*MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 961OD60.SSS <1> <br /> VV <br />