Laserfiche WebLink
f } <br /> Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> IT) 404 N Wtgct Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)989 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> s <br /> Blaine Tech Sernces, Inc ' Client Project ID Shell Stockton/970708-F1 <br /> 1680 Rogers Avenue Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9707594-06, 09 Reported Jul 28, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch#. GC071697BTEX17A GC071697BTEX17A GCO71697BTEX17A GCO71697BTEX17A GC071697BTEX17A <br /> Analy. Method, EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA S015M <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: A.Miraftab A.Miraftab A. Miraftab A Miraftab A.Miraftab <br /> MS/MSD#: 970753402 970753402 970753402 970753402 970753402 <br /> Sample Conc : N D N D N D N D N D <br /> Prepared Date 7/16/97 7/16/97 7/16/97 7/16/97 7/16/97 <br /> Analyzed Date. 7/16/97 7/16/97 7/16/97 7/16/97 7/16/97 <br /> Instrument I D # GCHP17 GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc. Spiked 10pg/L 10pg/L 10pg/L 30ug/L 60ug/L <br /> Result: 95 95 97 28 48 <br /> % Recovery. 95 95 97 93 80 <br /> Dup. Result 98 10 10 29 50 <br /> MSD % Recov ' 98 100 100 97 83 <br /> RPD 31 51 30 35 41 <br /> RPD Limit 0-25 0-25 0.25 0-25 0-25 <br /> LCS #. BLK071697 BLK071697 BLK071697 BLK071697 BLK071697 <br /> Prepared Date, 7/16/97 7/16/97 7/16/97 7/16/97 7/16/97 <br /> Analyzed Date. 7/16/97 7/16/97 7/16/97 7/16/97 7/16/97 <br /> Instrument I D #. GCHP17 GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc Spiked 10pg/L 10ug/L 10iug/L 30pg/L 60Ng/L <br /> LCS Result. 9 7 9 6 99 29 49 <br /> LCS % Recov: 97 96 99 97 82 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> 0 Please Note <br /> The LCS is a control sample of known,interferent4ree matrix that is analyzed using the same reagents, <br /> T <br /> O 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 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 /> r c Manager **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9707594 BLA <4> <br />