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)988-9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95634 (916)921-9600 FAX(916)9 21-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Oblaine Tech Services, Inc Client Project ID Shell 1071 N Main St <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9804175 -01-05 Reported May 18, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Methanol Ethanol Iso-Propanol <br /> QC Batch# GC0429981SHSHSB GC04299818HSHSB GCO429981SHSHSB <br /> Analy Method ISHS ISHS ISHS <br /> Prep Method HS HS HS <br /> Analyst T Sorokin T Sorokin T Sorokin <br /> MS/MSD# 9804E3111 9804E3111 9804E3111 <br /> Sample Conc ND ND ND <br /> Prepared Date 4/29/98 4/29/98 4/29/98 <br /> Analyzed Date 4/29/98 4/29/98 4/29/98 <br /> Instrument I D # GCV1 GCV1 GCV1 <br /> Conc Spiked 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> Result 70 86 86 <br /> MS % Recovery 88 108 108 <br /> Dup Result 64 75 74 <br />• MSD % Recov 80 94 93 <br /> RPD 90 14 15 <br /> RPD Limit D-50 0-50 0-50 <br /> LCS# BLK043098 BLK043098 BLK043098 <br /> Prepared Date 4/30/98 4/30/98 4/30/98 <br /> Analyzed Date 4/30/98 4/30/98 4/30/98 <br /> Instrument I D # GCV1 GCV1 GCV1 <br /> Conc Spiked 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> LCS Result. 77 80 79 <br /> LCS %Recov. 95 100 99 <br /> 50-150 50-150 50-150 <br /> LCS 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that Is analyzed using the same reagents, <br /> UO 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 /> ti <br /> ply Penner <br /> ct Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative% Difference 9804175 BLA ¢1> <br />