Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek, CA 94598 (510) 988 %00 FAX(510)988 9673 <br /> frilly Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc Client Project ID Shell Stockton /980210-A1 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9802737-01-10 Reported Feb 27, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GCO22098802009A GCO22098802009A GCO2-2098802009A GCO22098802009A GCO22098802009A <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 K Nill K Nill K Nill K Nill K Nill <br /> MS/MSD # 6021108 8021108 8021108 8021108 8021108 <br /> Sample Conc. N D N D N D N D N D <br /> Prepared Date 2/20/98 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Analyzed Date 2/20/98 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Instrument I D # HP9 HP9 HP9 HP9 HP9 <br /> Conc Spiked 20 ug/L 20 jig/L 20 Ng/L 60 pg/L 370 pg/L <br /> Result 18 20 20 61 330 <br /> MS % Recovery 90 100 100 102 89 <br /> 46 Dup Result 19 21 21 64 350 <br /> MSD % Recov 95 105 105 107 95 <br /> RPD 54 49 49 48 59 <br /> RPD Limit 0-20 0-20 0-20 0-20 0-50 <br /> LCS # LCS022098 LCS022098 LCS022098 LOS022098 LCS022098 <br /> Prepared Date 2/20/98 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Analyzed Date 2/20/98 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Instrument I D # HP9 HP9 HP9 HP9 HP9 <br /> Conc Spiked 20jrg/L 20pg/L 20ug/L 60yg/L 370lig/L <br /> LCS Result 19 21 21 64 340 <br /> LCS % Recov 95 105 105 107 92 <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 /> Please Note <br /> SEQU A YTICAL The LCS is a control sample of known,interferent-free matrix that 1s analyzed using the same reagents, <br /> p 1 7 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 /> Pe gy <br /> erence,the LCS recovery is to be used to validate the batch <br /> P neer <br /> Prol Manager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative% Difference 9802737 BLA <5> <br />