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1a) <br /> Sequoia 680 Chesapeake Dnve Redwood Gry,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wtget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> war Analytical 819 Striker Avenue,Suite a Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 'Blaine Tech Services, Inc Client Project IDN 'Chevron 9-2033/951213-21 <br /> v} 4 <br /> x 985 Timothy Drive Matra Liquid {` <br /> San Jose, CA 95133 ' <br /> 'Attention Jim Keller Work Order# '95121353-01 Reported Dec 271 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,2,4-Triehloro 4-Chloro-3 Acenaphthene 4-Nitrophenol <br /> benzene Methylphenol <br /> OC Batch#: MS1213958270EXA MS1213958270EXA MS121395a270EXA MS1213958270EXA <br /> Analy. Method, EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep Method. EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst. B Pitamah B Pitamah B Pitamah B Pitamah <br /> MS/MSD#- BLK121395 BLK121395 BLK121395 BLK121395 <br /> Sample Conc : N D N D N D N D <br /> Prepared Date- 12/13/95 12/13/95 12/13/95 12/13/95 <br /> Analyzed Date 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Instrument I D #: F4 F4 F4 F4 <br /> Conc Spiked 200 jig/L 200 pg/L 200 jig/L 200 ug/L <br /> Result 150 160 160 88 <br /> MS% Recovery: 80 so so 44 <br /> Dup Result. 160 160 160 90 <br /> MSD % Recov: so 80 80 45 <br /> RPD 00 00 00 22 <br /> RPD Limit: 0-50 0-50 0-50 0-50 <br /> LCS#: - - - <br /> Prepared Date - <br /> Analyzed Date: - - - <br /> Instrument 1.13 #: - <br /> Conc. Spiked - - - <br /> LCS Result: - <br /> LCS%Recov - - - <br /> LCS 44142 22-147 47-145 DL-132 <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 /> SE I N YT[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 If <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to rnatnx <br /> interference,the LCS recovery is to be used to validate the batch <br /> g Penner **MS=Matrix Spike,MSO MS Duplicate,RPD=Relative%Difference <br /> Project Manager Page 2 of 3 9512853 BLA {5i <br />