Laserfiche WebLink
Sequoia 680 Chesapeake Dnvc Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 15) 404 N Wiget Lane Walnut Creek CA 94598 (510) 998-9600 FAX(510)968 9673 <br /> Analytical 819 Striker Avenue Suite B Sacramento (916)921 0100 <br /> �L 231997 <br /> Delta Environmental Consultants Client Project ID ExX n 7-3708, DO $� IF <br /> 3164 Gold Camp Drive, #200 Matrix Liquid <br /> Rancho Cordova, CA 95670 <br /> Attention Keoni Almeida Work Order# 9706172 -01, 02,43, 06, 07 Reported Jun 14, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. Benzene <br /> Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GC060997BTEXiBA GC06o997BTEC18A GC06099713TE08A GCO60997STEX18A GC0609978TEX18A <br /> EPA 8024 EPA S015M <br /> Analy Method EPA 8020 EPA 8029 EPA 8020 EPA 5030 EPA 5030 <br /> Prey Method. EPA 5030 EPA 5030 EPA 5030 <br /> R.Geckler <br /> Analyst. R. Geckler R Geckler R Geckler R Geckler 970fi098-03 <br /> MS/MSD # 9706098-03 9706098-03 9706098-03 9706098-03 <br /> ND ND ND ND <br /> Sample Conc.. N D 6/9/97 6/9/97 <br /> Prepared Date. 6/9/97 6/9/97 6/9/979/97 6/9/97 <br /> Analyzed Date: 6/9/97 s/s/97 CHP-- 6/HP-1 <br /> GCHP-1$ GCHP-18 <br /> Instrument 10 # GCHP-18 GCHP-18 GCHP-18 30ug/L 60}ig/L <br /> Cone. Spiked. 10Ng/L 10pg/L 10pg/L <br /> Result 92 92 91 27 55 <br /> MS % Recovery 92 92 <br /> 91 90 92 <br /> 29 60 <br /> Dup. Result 10 10 10 97 loo <br /> MSD % Recov. 100 100 100 <br /> RPD 83 83 94 71 87 <br /> RPD Limit 9-25 0-25 0-25 0-25 0-25 <br /> }+- ry rr t rryJ rstr `rF~ +.44 r> rr+ v rrvhPr Yr Nrc N+k NJTrmF rrJ. r l` . Sv v N rJ, r v r hrr xfn vv 1xx. `r a s ry <br /> LCS # $LK060997 BLK060997 BLK060997 <br /> BLK060997 BLK060997 <br /> Prepared Date 6/9/97 6/9/97 6/9/97 6/9/97 6/9/g7 <br /> Analyzed Date 6/9/97 6/9/97 6/9/97 6/9/97 GCi iP 6/9/97 <br /> -18 <br /> Instrument 1.134GCHP-18 GCHP-18 GCHP-18 GCHP-1a <br /> Conc. Spiked 10 Ng/L 10 Ng/L 10 pg/L 30 pg/L 60 Ng/L <br /> 10 10 30 60 <br /> LCS Result. 10 110 <br /> LCS % Recov .. too 109 loo 190 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-13070-130 70-130 70130 70-130 <br /> Control Limits <br /> Please Note reagents <br /> 'Che LCS is a control sample of known interferent-free matrix that is analyzed using the sorta rea 4 <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 anaiytes from the matrix spike does not fall within spec:fled contra!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,MSE)=MS Duplicate, RPOuRelative%Difference 9706172 Di-T 1> <br />