Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek,C4 94598 (510) 988 9600 FAX(510) 988 9673 <br /> 15) Analytical 8t9 Strike,Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> 0 <br /> Blaine Tech Services, Inc Client Project ID Shell Tracy/980211-A3 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9802739 -01-05 Reported Mar 5, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GCO21998802002A GCO21998802002A GCO21998802002A GCO21998802002A GCO21998602002A <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 NAI K Nill K Nill <br /> MS/MSD # 8020186 8020186 8020186 8020186 8020186 <br /> Sample Conc N D N D N D N D N D <br /> Prepared Date 2/19/98 2/19/98 2/19/98 2/19/98 2/19/98 <br /> Analyzed Date 2/19/98 2/19/x8 2/19/98 2/19/98 2/19/98 <br /> Instrument I D # HP2 HP2 HP2 HP2 HP2 <br /> Conc Spiked 20ug/L 20ug/L 20ug/L 60ug/L 360ug/L <br /> Result 20 20 20 64 340 <br /> MS % Recovery 100 100 100 107 94 <br /> • Dup Result 21 22 21 65 470 <br /> MSD %Recov 105 110 105 108 131 <br /> RPD 49 95 49 16 32 <br /> RPD Limit 0-20 0-20 0-20 0-20 0-50 <br /> LCS # LCS021998 LCS021998 LCS021998 LCS021998 LCS021998 <br /> i <br /> Prepared Date 2/19/98 2/19/98 2/19/98 2/19/98 2/19/98 <br /> Analyzed Date 2/19/98 2/19/98 2/19/98 2/19/98 2/19/98 <br /> Instrument I D # HP2 HP2 HP2 HP2 HP2 <br /> Conc Spiked 20ug/L 20ug/L 20ug/L 60ug/L 360ug/L <br /> LCS Result 20 20 20 64 340 <br /> LCS % Recov 100 100 100 107 94 <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 /> SEQUOIA ANALYTICAL The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> �p#1 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 /> �e Penner <br /> Project Manager '*MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative% Difference 9802739 BLA 1> <br />