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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Iwo Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 1V1-West Client Project II) Safeway-Stockton Meat Packing Plant <br /> 001 P Street, Suite 200 Matrix Water <br /> Sacramento, CA 95814 <br /> Attention BILI Spong OC Sample Group 4110922-924 Reported Dec 5, 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Diesel <br /> Method EPA 8015 Mod <br /> Analyst C Lee <br /> Concentration <br /> Spiked 300 ug/L <br /> LCS Batch# LCS112994 <br /> Date Prepared 11/29/94 <br /> Date Analyzed 11/30/94 <br /> Instrument I D # GCHP-313 <br /> LCS % <br /> Recovery 107 <br /> Control Limits 60-130 <br /> MS/MSD <br /> Batch# BLK112894 <br /> Date Prepared 11/28/94 <br /> Date Analyzed 11/29/94 <br /> Instrument I D # GCHP-313 <br /> Matrix Spike <br /> % Recovery 90 <br /> Matrix-Spike <br /> Duplicate % <br /> Recovery 97 <br /> Relative % <br /> Difference 75 <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 LCS%recovery data is used for <br /> validation of sample batch results Due to matnx effects,the QC limns for MS/MSD's are advisory only <br /> i��.� ���� and are not used to accept or reject batch results <br /> Linda C1L.lS6n�eiider' r <br /> Project Manager <br /> 4110922 EFTS <3> <br />