Laserfiche WebLink
' 660 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9333 <br /> Sequoia 404 N Wii ct Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 998 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Smith Environmental Client Project ID 20778, 94-273-94-10 <br /> 441 N Whlsman, 811g 23 Matrix Liquid <br /> Mountain View, CA 94043 <br /> Attention Rich Garlow Work Order# 9612715 -01-03 Reported Dec 26, 1996 <br /> ' QUALITY CONTROL DATA REPORT <br /> ' Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GC1212963TEY21A GC121296BTEx21A GC121296BTEX21A GC121296BTEX21A <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 Jasa D Jirsa <br /> ' M S/MSD # 961251804 961251804 961251804 961251804 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 12/12/96 12/12/96 12/12/96 12/12/96 <br /> Analyzed Date 12/12/96 12/12/96 12/12/96 12/12/96 <br /> Instrument I D # GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc. Spiked 10ug/L 10ug/L long/L 30ug/L <br /> Result 86 93 10 30 <br /> MS % Recovery 86 93 100 100 <br /> Dup Result 86 96 10 34 <br /> MSD % Recov 85 96 100 113 <br /> RPD 12 32 00 13 <br /> RPD Limit 025 025 025 0-25 <br /> 1 <br /> ' LCS # BLK121295 BLK121296 BLK121296 BLK121296 <br /> Prepared Date 12/12/96 12/12/96 12/12/96 12/12/96 <br /> Analyzed Date 12/12/96 12/12/96 12/12/96 12/12/96 <br /> ' instrument I D # GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc Spiked 10ug/L 10ug/L 10pg/L 30pg/L <br /> ' LCS Result 112 9 2 10 31 <br /> LCS % Recov 82 92 100 103 <br /> ' <br /> MS/MSD 60-140 60140 60.140 60-140 <br /> LCS 70-130 70-130 70130 70-130 <br /> Control Limits <br /> ' Please Note <br /> The LCS 1s 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 /> LuG� ` interference,the LCS recovery is to be used to validate the batch <br /> ' Vytas Ankaltl ` <br /> Project Manag ""MS=Matrix Spike MSD=MS Duplicate RPD=Relative Difference 9612715 SSS <1> <br />