Laserfiche WebLink
Sequoia680 Chesapeake Dnve Redwood City CA 94063 (650) 364-9600 FAX(650)364 9233 <br /> 404 11 Wiget Lane Walnut Creck,CA 94598 (510) 988-9600 FAX(510)988 9673 <br /> Analytical 819 Stryker Avenue,Suue 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> SGeitler Ryan%Geostrategies Gllent Prole6f10---(Jnocal 8S#5886 <br /> `6747 Sierra Court, Ste J Matrix Liquid {s <br /> Dublin, CA 94568 <br /> ;Attention Deanna Harding Work Order# 98031382 -01, 05-08 Reported Apr 15, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GC040398802009A GCO40398802009A GC040398802009A GCO40398802009A GC040398802009A <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 /> I <br /> Analyst D Newcomb D Newcomb D Newcomb D Newcomb D Newcomb <br /> MS/MSD # 8032500 8032500 8032500 8032500 8032500 <br /> Sample Cone ' N D N D N D N D N D <br /> Prepared Date 4/3/98 4/3/98 4/3/98 4/3/98 4/3/98 <br /> Analyzed Date 4/3/98 4/3/98 4/3/98 4/3/98 4/3/98 <br /> Instrument I D # HP9 HP9 HP9 HP9 HP9 <br /> Cone Spiked 20ug/L 20ug/L 20ug/L 60ug/L 350ug/L <br /> Result 20 21 22 67 350 <br /> MS % Recovery 100 105 110 112 100 <br /> I <br /> • Dup Result 20 21 21 64 340 <br /> MSD % Recov 100 105 105 107 97 <br /> RPD 00 00 47 46 29 <br /> RPD Limit 0-20 0-20 0-20 0-20 0-50 <br /> I <br /> I <br /> LCS # LCSO40398 LCSO40398 LCSO40398 LCSO40398 LCSO40398 <br /> i <br /> Prepared Date 4/3/98 4/3/98 4/3/98 4/3/98 4/3/98 <br /> Analyzed Date 4/3/98 4/3/98 4/3/98 4/3/98 4/3/98 <br /> Instrument 10 # HP9 HP9 HP9 HP9 HP9 <br /> Cone Spiked 20ug/L 20ug/L 20pg/L 60ug/L 350ug/L <br /> i <br /> LCS Result 21 22 22 67 350 <br /> LCS %Recov 105 110 110 112 100 <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 /> JP <br /> p#i2 1 preparation,and analytical methods employed for the samples The matrix spoke 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 /> egory <br /> ect Manager **M5=Matrix Spike,MSD=MS Duplicate,RPD=Relatwe 96 Difference 98031382 GET c 1 <br />