Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364.9233 <br /> 404 N W[get Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 Ot00 <br /> �„�F Analytical <br /> I*-� �r} f ry ,. v r Or.r wnwr i . rY^ " lit.iW vvMx ��v t ��i r'Zr i{c4'iYn r,n{4vv.�.vrc rCn.v r .E dxia. 4r <br /> beita E=nvironmental'Consuitants ClientrProje flD --5xxon #7-3708,1 Stockton, CA t <br /> 3164 Gold Camp Dr, Suite 200 Matrix Water <br /> Rancho Cordova, CA 95670 ; <br /> Attention C Keoni Almeida QC Sample Group 6101116-23 Reported Oct 30, 1996` <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyt- <br /> Benzene Toluene Benzene X enes <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: B Williams B Williams B Williams B Williams <br /> Concentration <br /> Spiked. 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch# LCS102596 LCS102596 LCS102596 LCS102596 <br /> Date Prepared- 10/25/96 10/25/96 10/25/96 10/25/96 <br /> Date Analyzed. 10/25/96 10/25/96 10/25/96 10/25/96 <br /> Instrument I.D.# GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> LCS <br /> 0 Recovery 93 108 95 95 <br /> Control Limits: 70-130 70-130 70-130 70-130 <br /> r r i v if M1 rrn bt r r ifry r ♦r 1 rK'n.2x " ` t n *'4 r <br /> r ry rvn 4 v v ry}s rvxrc +..r. t r r rcnr nrr ver r }r oixf yrr r v } r r rvr ..writ r t r r n +•ry <br /> MS/MSD <br /> Batch ##' 6101114 6101114 6101114 6101114 <br /> Date prepared: 10/25/96 10/25/96 10/25/96 10/25/96 <br /> Date Analyzed. 10/25/96 10/25/96 10/25/96 10/25/96 <br /> Instrument I.D.#: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Matrix Spike <br /> % Recovery: 91 97 100 94 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery. 96 100 103 101 <br /> Relative % <br /> Difference: 53 30 30 72 <br /> SEQUOIA ANALYTICAL Please Note <br /> • CDAc M � The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> preparation and analytical methods employed for the samples The LCS%recovery data 1s used for <br /> validation of sample batch results Oue to matrix effects,the QC limits for MS/MSD's are advisory only <br /> Linda C Schneider and are not used to accept or reject batch results <br /> Project Manager/Sacramento Laboratory <br /> 6101116 DLT <6> <br />