Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood Ciry,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 Stinker Avenuc Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> E A Engineering Science &Tech ~ Client Project ID n Exxon 7-3942, 5153942 1300 <br /> 3468 Mt Diablo Blvd , Ste B-100 Matrix Liquid <br />' <Lafayette, CA 94549 <br /> Attention Tracy Faulkner Work Order# 9611209 01, 02, 05, 06, 10 Reported Nov 14, 1996{ <br /> 4 v v v s v ^ S <br /> J\ vv r- nm ry } v ~ , r r v} r v}r,v i v v y r , v } • ,.t }, J JJ v J J v v n rf ,rv1v rr <br />' QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br />' Benzene <br /> QC Batch# GC110796BTEX03A GC110796BTEX03A GC110796BTEX03A GC110796STEX03A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br />' Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst D Jirsa D Jirsa D Jirsa D Jirsa <br /> MS/MSD # 961105901 961105901 961105901 961105901 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 11/7/96 11/7/96 11/7/96 11/7/96 <br /> Analyzed Date 11/7/96 11/7/96 11/7/96 11/7/96 <br />' Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc Spiked 10ug/L 10 jug/L 10Ng/L 30pg/L <br /> Result 11 95 91 28 <br /> MS %Recovery 110 95 91 93 <br /> Dup Result 11 96 91 38 <br /> MSD % Recov 110 96 91 93 <br /> RPD 00 10 00 00 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> + ' h� :a v,.rr,.v ,. r .. 4 i i4 �i w`or wv v r r ,., ha. v. ..,r, +. , L •�c. .., J , ro , ,-„.f, ,. An, t F „ fJ <br /> LCS# BLK110796 BLK110796 BLK110796 BLK110796 <br />' Prepared Date 11/7/96 11/7/96 11/7/96 11/7/96 <br /> Analyzed Date 11/7/96 11/7/96 11/7/96 11/7/96 <br />' Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked 10,ug/L 10pg/L lopg/L 30Ng/L <br /> LCS Result 11 90 89 27 <br />' LCS % Recov 110 90 89 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 /> SEQUOIA ANALYTICAL 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 /> even Follett <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative% Difference 9611209 EEE <1> <br />