Laserfiche WebLink
equola680 Chesapeake Drive Redwood City, G4 94063 (415) 364 9600 FAX(415) 364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analyti cal 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> ry♦H , ry ry rnvvr}r r{r , sv u ? , �., r r r 1 ru rs r' <br /> 11111W <br /> nviros n r;'• n 7h.A`-" ' v{" H yClient'Project ID r rShell 6131VPacif4`Stockt6n-' <br /> X270 Perkins Ave Matrix Solid t <br /> Sonoma, CA 95476 <br /> Attention Joe Neely Work Order#. 9707162 -01-04 Reported Jul 18, 1997 <br /> r, rryr �,• <br /> r r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch#- 00070897BTEXEXB GCO7089713TEXEXB GC070897BTEXEXB GC070897BTEXEXB GCO70897BTEXEXB <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: A-Porter A-Porter A.Porter A.Porter A. Porter <br /> MS/MSD #: 970730502 970730502 970730502 970730502 970730502 <br /> Sample Conc.: N D N D N D N D N D <br /> Prepared Date: 7/8/97 7/8/97 7/8/97 7/8/97 7/8/97 <br /> Analyzed Date. 7/9/97 7/9/97 7/9/97 7/9/97 7/8/97 <br /> Instrument I D.# GCHP7 GCHP7 GCHP7 GCHP7 GCHP7 <br /> Conc. Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg 1 2 mg/Kg <br /> Result 016 016 017 0 51 12 <br /> MS %Recovery 8o 80 85 85 100 <br /> Dup. Result 017 0 17 018 0 55 13 <br /> w MSD % Recov 85 85 so 92 108 <br /> RPD. 61 61 57 75 80 <br /> RPD Limit. 0-25 0-25 0-25 0-25 0-25 <br /> LCS #: BLK070997 ELK070997 BLK070997 SLK070997 BLK070997 <br /> Prepared Date: 7/9/97 7/9/97 7/9/97 7/9/97 7/9/97 <br /> Analyzed Date: 7/9/97 7/9/97 7/9/97 7/9/97 7/9/97 <br /> Instrument 1.13 #: GCHP22 GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc. Spiked: 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg 12 mg/Kg <br /> LCS Result: 018 0 19 019 062 12 <br /> LCS %Recov.: 90 95 95 103 100 <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 /> v <br /> Please Note <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA NALYTICAL 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 /> Gregory <br /> Project Manager " MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9707162 EEE a 1> <br />