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Sequoia680 Chesapeake Drive Redwood City,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 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)921-0100 <br /> ttitiiv??i??i??}?}:�}}?i?}ii?Y:�:�???i???^t t'•??:{•T}??JO% ^\Y•??i:^iii??:S::t. <br /> :..::::::::.:.:::::::::::..:..:..:{:r...;••?Si ii'r}:itY?J'ri�""v'x:.J%{{O:•.v?.................. ..........::{:{{.:?}}}}}}:::iiii?:{::::::::...�:v:::?:?::n:r:.:::rr.............'ii'................:?3?.v.{4?::v:v}:?i}:v}.?:?:•ii:{O:v?iii:Yii.......iii: ::i:fii{Gti <br /> :::::::::::::::::::::::::.:::.vn..ni Y. .:. { t...t.............�:::::::::..... ...... ::•:•:.�::..................\..................... <br /> •:••::.�:::::::::• :v:•.::::.v....{.:?.v::::::::::::::::::t•.nnty . ,................r.....:::.•.,v ................... .........t.............................................nw::::::::::::::::::::u:: :::::::........�:::..:::::::n:r.; <br /> Kleinfelder Client protect 10: 20-3420-02.501 <br /> 2825 East Myrtle St. Matrix: Soil <br /> Stockton, CA 95205 <br /> Attention: Roman Racca GSC Sample Group 708-0938 Reported: Sep 4, 1997. <br /> .......................... ............................................................... .n•:................:..............................:i:.k+:isL{:::.i:{{{{•:{{.:{{•:{L{{•:v:ryy:{.;-:.}%.} <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xyienes Diesel <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 DHS LUFT <br /> Analyst: C.Lee C.Lee C.Lee C.Lee C.Lee <br /> Concentration <br /> Spiked: 0.20 mg/kg 0.20 mg/kg 0.20 mg/kg 0.60 mg/kg 12.5 mg/kg <br /> LCS Batch#: LCS082697 LCS082697 LCS082697 LCS082697 LCS090397 <br /> Date Prepared: 08/26/97 08/26/97 08/26/97 08/26/97 09/03/97 <br /> Date Analyzed: 08/26/97 08/26/97 08/26/97 08/26/97 09/04/97 <br /> Instrument I.D.#: GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-3B <br /> LCS % <br /> Recovery: 104 96 99 98 88 <br /> Control Limits: 70-130 70-130 70-130 70-130 60-140 <br /> ::..::::..::�.::.:i.:s�.::.::..::.::...i....�......�......�......�......�...............�....................}..i?..}.i}.i...i...ii..i...i...i}?}.i..i........•..•.....:.:.:...:...:.:.:..............:...�........:.. <br /> :. :v:i:i::�:i:.��i:i:i:'r:i:i:i:i:i:v::i:i::-i::i::J:i::'r.i�i:i:%:i::i:i:i:i:iivi:ii::i:i:::�:i:i::::i:i.i:}vi:::}:Ww::::}:�•:;.v4:ii:::.. :.:.:._--�..:.........:'..•::.:.. <br /> i <br /> ..h.:. .^ <br /> �:' <br /> �...... ::�.......:�: <br /> . . . ............{w:G:fii ::::::::::::.:........... v.:..:::::: <br /> :•?:{titi6:i::::::::{{�i}i?i}i?ii::::::::::s:iiii}ih ... .i}}}???%?: <br /> MS/MSD <br /> Batch #: 7080979 7080979 7080979 7080979 7080866 <br /> Date Prepared: 08/26/97 08/26/97 08/26/97 08/26/97 09/03/97 <br /> Date Analyzed: 08/26/97 08/26/97 08/26/97 08/26/97 09/04/97 <br /> Instrument I.D.#: GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-36 <br /> Matrix Spike <br /> %Recovery: 88 84 88 88 87 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery: 89 86 90 90 86 <br /> Relative % <br /> Difference: 1.1 2.4 2.2 2.2 1.2 <br /> SEO OIA ANALYTICAL Please Note: <br /> 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 is used for <br /> validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> inda C. Schneider and are not used to accept or reject batch results. <br /> Project Manager/Sacramento Labora ory <br /> 7080938.KLF <3> <br /> t� <br />