Laserfiche WebLink
' Sequoia680 Chesapeake Drive Redwood CiM 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 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)921 0100 <br /> ,Gettier Ryan/Geostrategies V' ` Client Project ID Unocal $S#5886 "' r <br /> 6747 Sierra Court, Ste J Matrix Liquid <br /> F,Dublin, CA 94568 <br /> Attention Deanna Harding Work Order# 9803G82-02-04 Reported Apr 15, 1998 ' <br /> v. V n <br /> QUALITY CONTROL DATA REPORT <br /> Analyte MTBE <br /> QC Batch# MS032898MTBEH6A <br /> Analy Method EPA 8260 <br /> Prep Method NA <br /> Analyst M Williams <br /> MS/MSD# 9803GB501 <br /> Sample Conc N D <br /> Prepared Date 3/28/98 <br /> Analyzed Date 3/28/98 <br /> Instrument I D # H6 <br /> Conc Spiked. 50ug/L <br /> Result 54 <br /> MS % Recovery 108 <br /> 0 Dup Result 51 <br /> MSD % Recov 102 <br /> RPD 57 <br /> RPD Limit 0-25 <br /> LCS # LCS033098 <br /> Prepared Date 3/30/98 <br /> Analyzed Date 3/30/98 <br /> Instrument I D.# H6 <br /> Conc Spiked. 50ug/L <br /> LCS Result. 47 <br /> LCS % Recov.. 94 <br /> x0-140 <br /> LCS 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 /> SEQUOIA,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 /> regory <br /> roject Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Rotative%Difference 9803082 GET <3, <br />