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Sequoia 680 Chesapeake Drive Redwood GM CA 94063 (415) 364-9600 FM(415)364-9233 <br /> ' 404 N Wiget Imine Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> �1,� Analytical 819 Striker Avenue,Scute 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> { „„ 2—`a; . D >, <br /> Cnwa <br /> Smith - onie Environmental Client Project ID 94-318, <br /> 54` <br /> Coca Cala Stockton <br /> 441 N Whisman, Bldg 23 Matrix Liquid ; <br /> Mountain View, CA 94043 <br /> ' Attention Jeanne Homsey Work Order#r 9506980 -01-6 W h t` Reportedrc ttJun 26, 1995 <br /> , . L'. r t. kr �` },.f•ti +^ }h ,.} .vc ..w.?y a u}..� <br /> QUALITY CONTROL DATA REPORT <br /> ' Analyte Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> ' QC Batch#: GCD61695BTEXISA GCO616958TEX18A GC0616958TEXl8A GC061695BTEX18A GC0620950HBPEXZ <br /> Ana ly. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 M <br /> Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 3520 <br /> Analyst R.Geckler R.Geckler R Geckler R Geckler T Oirve <br /> M S/MSD #. 950646307 950646307 950646307 950646307 950698001 <br /> Sample Conc N D N D N D N D N D <br /> ' Prepared Date. 5/12/95 5/12/95 5/12/95 5/12/95 6/20/95 <br /> Analyzed Date: 6/16/95 6/16/95 6/16/95 6/16/95 6/21/95 <br /> Instrument I D # GCHP18 GCHP18 GCHP18 GCHP18 GCHP5 <br /> Conc. Spiked lope/L lope/L lone/L 30pg/L 1000 pg/L <br /> ' Result- 12 12 13 37 880 <br /> MS% Recovery- 120 120 130 123 88 <br /> Dup. Result 10 11 11 33 840 <br /> 6 MSD % Recov.: 100 110 110 110 84 <br /> ' RPD. 18 87 17 11 47 <br /> RPD Limit. 0-50 0-50 0-50 0-50 0-50 <br /> t , ,c x ,cn u,.,;GaY„. , .. 4 }k a.,....yr v.rr`t'"Y �r.n'.:,.}C w+,cY�A's�J..�ca>cwix4Yl.�L:2�w }sa.::.,;.v„'a.3r }],t•['^^k.,t ;,x t`r,.},,:.+rho rw,.,, ,a%u Ys`o�a'rnixw x��.,�i.'�;�..v A <br /> ' LCS#- - - - - BLK062095 <br /> Prepared Date- 6/20/95 <br /> Analyzed Date: 6/21/95 <br /> Instrument I.D.#: - - GCHP5 <br /> Conc. Sptked: - - - 1000pg/L <br /> ' LCS Result: - _ _ 1000 <br /> LCS % Recov : - - - - 100 <br /> 1 <br /> LCS 71-133 72-128 72-130 71-120 38-122 <br /> ' Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-fres 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 /> lckle <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure <br /> the recovery of aidalytes from the matrix spike does not tall within specified control limits due to matrix <br /> V <br /> interference,the LCS recovery is to be used to validate the batch <br /> Tagtle Clark <br /> Project Manager "*MS=Matrix Spike,MSD-MS Duplicate,RPD-Relative%Difference 9506980 CAN .41> <br />