Laserfiche WebLink
• / - ' Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wigct Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> 4Iff Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Blaine Tech Services, Inc Client Project ID Shell Stockton / 970709-F1 <br /> 1680 Rogers Avenue Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9707592 -01-06, 09-13 Reported Jul 28, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GC071697BTEX21A GC071697BTE)(21A GC071697BTEX211A GC071697BTEX21A GC071697STE)(21A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst D Jirsa D Jima D Jirsa D Jirsa D Jirsa <br /> MS/MSD # 970753403 970753403 970753403 970753403 970753403 <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 ❑ # GCHP21 GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc Spiked 10Erg/L 10Ng/L 10ug/L 30Ng/L 60pg/L <br /> i <br /> Result 85 85 85 25 62 <br /> S % Recovery 85 85 85 83 103 <br /> Dup Result 65 84 83 25 57 <br /> MSD % Recov 85 84 83 83 95 <br /> RPD 00 12 24 00 84 <br /> RPD Limit 0-25 0-25 0-25 0-25 025 <br /> LCS # BLK071697 ELK071697 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 l D # GCHP21 GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc Spiked 10pg/L 10pg/L 10pg/L 30frg/L 60Ng/L <br /> LCS Result 7 9 78 7 8 24 52 <br /> LCS % Recov 79 78 78 so 87 <br /> MS/M 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 /> Please Note <br /> The LCS is a control sample of known,interferent-tree matrix that is analyzed using the same reagents, <br /> U 1 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 /> Tfte 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 /> eg y Penner <br /> ect Manager **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative% Difference 9707592 BLA <11> <br />