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ID- 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) 989 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> IX <br /> laine Tech Services, Inc Client Project ID }Chevron 9-2033/951213-Z1 <br /> {,985 Timothy Dave Matrix Liquid <br /> ;'San Jose, CA 95133 <br /> !,`Attention Jim Keller Work Order# 9512653-01 Reported Dec 27, 1995' <br /> + ,.av.,,. c v -... t,~ x{ .. ., ,.. ,- .f L A } 4 . 4 ry. tr .4 `• � ,, vJ, °, r +H.. .. a <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' 2,4-Dindro- Pentachioro- Pyrene <br /> toluene phenol <br /> QC Batch#. MS1213958270EXA MS1213MU70EXA MS121395B270EXA <br /> Analy. Method: EPA 8270 EPA 6270 EPA 8270 <br /> Prep Method. EPA 3510 EPA 3510 EPA 3510 <br /> Analyst: B Rtamah B Pitamah B Pitamah <br /> MS/MSD#: BLK121395 BLK121395 BLK121395 <br /> Sample Conc.. N D N D N D <br /> Prepared Date- 12/13/95 12/13/95 12/13/95 <br /> Analyzed Date: 12/14/95 12/14/95 12/14/95 <br /> Instrument I D #. F4 F4 F4 <br /> Conc Spiked. 200ug/L 200ug/L 200 Ng/L <br /> Result. 180 170 160 <br /> • MS % Recovery 90 85 80 <br /> Dup Result- 170 170 160 <br /> MSD % Recov.: 85 85 80 <br /> RPD: 57 00 00 <br /> RPD Limit 0-50 0-50 0-50 <br /> LCS# - <br /> Prepared Date <br /> Analyzed Date: <br /> Instrument I D #- - - - <br /> Conc.Spiked: _ <br /> LCS Result: <br /> LCS %Recov. <br /> LCS 39-139 14-176 52-115 <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 />• SEQ I N CAL 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 R <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 /> P y enner **MS=Matrix Spike, MSD=MS Duplicate,RPD-Relative%Difference <br /> Project Manager Page 3 of 3 95121353 BLA <6> <br />