Laserfiche WebLink
Sequoia 680 Clhtsapeakc Drive Redwood City,CA 9400., (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lanc Walnut Creek,CA 94598 (510) 988 9600 FAX(5 10)988 9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> �,O Analytical <br /> i <br /> u N} r <br /> Y t ^ ri4 r r r n v r } • r , r n,}`r+.OrC^'n rf <br /> "`Gettler fiyan%Geostrateglesr l Client Project lb Unocal r707APaclfic Ave rStockt z <br /> `'6747 Sierra Court, Ste J Matrix Liquide <br /> z <br /> `$Dublin, CA 94568 <br /> Attention Deanna Harding Work Order# 9608J10 -02 Reported Sep 17, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GCO90396STEX17A GCO903968TEX17A GC090396BTEX17A GC090396BTEX17A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst G Fish G Fish G Fish G Fish <br /> MS/MSD # 960SE24-06G 960BE24-06G 9608E24-06G 960BE24-06G <br /> Sample Conc • N D N D N D N D <br /> Prepared Date 9/3/96 9/3/95 9/3/96 9/3/96 <br /> Analyzed Date 9/3/96 9/3/96 9/3/96 9/3/96 <br /> Instrument I D #: GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc Spiked. 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> Result 90 87 87 26 <br /> MS % Recovery 90 87 87 87 <br /> Dup Result 88 86 85 25 <br /> MSD % Recov 88 86 85 83 <br /> RPD 22 12 23 39 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> t r r nvV <br /> LCS # GBLK090396 GBLK090396 GBLK090396 GBLK090396 <br /> Prepared Date 9/3/96 9/3/96 9/3/96 9/3/96 <br /> Analyzed Date 9/3/96 9/3/96 9/3/96 9/3/96 <br /> Instrument I D # GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc Spiked 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Result 93 90 90 27 <br /> LCS % Recov 93 90 90 90 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 70-130 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 /> WGregory <br /> ALYTICAL 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 /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9608,110 GET <P-> <br />