Laserfiche WebLink
Sequoia 680 Chesapeakc Drive Redwood City CA 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 /> Analytical 819 Striker Avenue Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> Enviros Client Project ID Shell 2575 Country Club, Stck <br /> 270 Perkins Ave Matrix Solid <br /> Sonoma, CA 95476 <br /> Attention Joe Neely Work Order# 9701119 01-06 Reported Jan 9, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GC010697BTEXEXA GCO10697BTE(EXA GCO10697STEXEXA GCO10697BTEXEXA <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst A.Porter A.Porter A Porter A.Porter <br /> MS/MSD #- 970109605 970109605 970109605 970109605 <br /> Sample Conc N 0 N D N D N D <br /> Prepared Date 1/6/97 1/6/97 1/6/97 1/6/97 <br /> Analyzed Date 1/6/97 1/6/97 1/6/97 1/6/97 <br /> Instrument I D # GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> Result. 017 017 017 049 <br /> MS % Recovery 85 85 85 82 <br /> Dup Result 017 017 017 049 <br />• MSD % Recov 85 85 85 82 <br /> RPD 00 00 00 00 <br /> RFD Limit 0-25 0-25 0-25 0-25 <br /> LCS # BLK010697 BLK010597 BLK010697 BLK010697 <br /> Prepared Date 1/6/97 1/6/97 1/6/97 1/6/97 <br /> Analyzed Date 1/6/97 1/6/97 1/6/97 1/6/97 <br /> Instrument I D #. GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc Spiked. 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> LCS Result 019 019 019 056 <br /> LCS % Recov.: 95 95 95 93 <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 /> 4V <br /> EQUOIA ANAL CAL preparation,and analytical methods employed for the samples The matrix spike 1s 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 /> M1 a egory <br /> Project Manager "*MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9701119 EEE <1> <br />