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Sequoia680 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)921 0100 <br /> ]� .Ti r �r 3� r�n , rvv of i <br /> 1 4.ivxn++x.L • {e +�tSr uJ ,r s i�v-^ +��� <br /> ,,Blaine Tech Services, Inc Client Project ID Chevron 9-1918/960424-A2m <br /> 985 Timothy Drive Matrix Liquid <br /> -San Jose, CA 95133 <br /> ']Attention Jim Keller Work Order# 9604192-03-07 Reported May 15, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Nitrate <br /> OC Batch#: IN0506963000ACB <br /> Analy Method: EPA 300 0 <br /> Prep Method. N/A <br /> Analyst S Lee <br /> MS/MSD# 960413401 <br /> Sample Cone 370 <br /> Prepared Date: 5/6/96 <br /> Analyzed Date 5/6/96 <br /> Instrument I D #. INIC1 <br /> Cone. Spiked 100 mg/L <br /> Result 480 <br /> MS%Recovery. 110 <br /> Dup Result- 480 <br /> MSD%Recov,, 110 <br /> RPD* 00 <br /> RPD Limit 0-20 <br /> f•r nu .. s ] r , rvrr t , o ryrn 4 ` A , . 4 , n r v , . ry -. r} . l ;fi <br /> LCS# LCS05W95 <br /> Prepared Date 5/6/96 <br /> Analyzed Date 5/6/96 <br /> Instrument I D#: INIC1 <br /> Cone Spiked: 10 mg/L <br /> LCS Result 10 <br /> LCS%Recov • 100 <br /> 75-125 <br /> LCS 80-120 <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 /> t9 ' <br /> 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 M <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 /> ner <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9604192 BtA e4> <br />