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Sequoia 680 Chesapeake E>nve Redwood City, CA 94063 (415) 364.9600 FAX(4t5) 364-9233 <br /> 404 N.Wtget Lane Walnut Creek, CA 94598 (510) 988-9600 FAX (5to)98$.%73 <br /> Analytical 819 Striker Avenue,Suite I Sacramento, CA 95934 (916) 921.9600 FAX (916)921-0100 <br /> ....... . ... <br /> -' .' '' ' ' � ''" 'T-E Client Project Che�F060b-0557/StoCkiOh <br /> -4211 May Ave, Matrix: Liquid <br /> Wichita, KS 67209 <br /> Attention: Justin Ward QC Sample Group: 5120392 Reported: Dec 15, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xyienes <br /> Benzene <br /> QC Batch#: GC121495 GC121495 GC121495 GC121495 <br /> 802002A 802002A 802002A 802002A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: <br /> Analyst: K Nill K Nill K Nill K Nill <br /> MS/MSD #: 5120339 5120339 5120339 5120339 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Analyzed Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Instrument I.D.#: HP.2 HP.2 HP.2 HP.2 <br /> Conc. Spiked: 20 pg/L 20 po/L 20 po/L 60 pg/L <br /> Result: 22 22 23 69 <br /> MS % Recovery: 110 110 115 115 <br /> Dup. Result: 22 22 23 69 <br /> SD % Recov.: 110 110 115 115 <br /> RPD: 0.0 0.0 0.0 0.0 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> .............. <br /> . . ........ <br /> . . .. . ... <br /> k. <br /> ......... <br /> LCS#: ILCS121495 I LCS 121495 lLCS121495 ILCS121495 <br /> Prepared Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Analyzed Date. 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Instrument I.D.#: HP.2 HP.2 HP.2 HP.2 <br /> Conc. Spiked: 20pg/L 20jig/L 20 pg/L 60p8/L <br /> LCS Resutt: 21 21 22 65 <br /> LCS % Recov.- 105 105 110 108 <br /> MS/MSD <br /> LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> Please Now <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents. <br /> UOIA�ANALY171CAL, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> '��LYTICAL, #127 <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure. tf <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> W interference,the LCS recovea is to be used to validate the batch. <br /> Kenn th L Wimer MS=Matrix Spike,MSD=MS Duplicate, RPD-Relative% Difference <br /> Pr j ec\tl anager 5120392.GTW <2> <br />