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' Sequoia 680 Chesapeake Drive Redwood City,CA 94o63 (415) 364 9600 FAX (415) 364 9233 <br /> Analytical 900 Bates Avenue Suite L Concord,CA 94520 (510) 686-9600 FAX(5 10)686 9689 <br /> 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> } RESNA <br /> Client Project ID 054006 02, Coca-Cola Stockton <br /> 1710 Main Street Matra Liquid <br /> "Escalon, CA 95320 y <br /> ' ;Attention Jeanne Homseynva. CC Sample Group 9409538-02-3 Re <br /> prted d Se29, 1994; <br /> }• } fv vny,vrn �Vh yr s S. 4r,ortetirY'pva2'b Jro'x+ titf 44. <br /> r ry J i v rF,+Y,v' `v.h+.rtventriWr.x4 nSr�i�v'ri r.ltivrG.Svv Y:� <br /> ' QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: N Zahedi N Zahedt N Zahedi N Zahedi <br /> MS/MSD <br /> Batch#: 4090309 4090306 40903116 4090306 <br /> Date Prepared: 9/20/94 9/20/94 9/20/94 9/20/94 <br /> Date Analyzed: 9/20/94 9/20/94 9/20/94 9/20/94 <br /> Instrument I.D.#: GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Conc. Spiked: 10 ug/L 10 jig/L 10 jig/L 30 jig/L <br /> Matrix Spike <br /> % Recovery: 87 98 100 97 <br /> Matrix Spike <br /> ' Duplicate% <br /> Recovery: 87 94 95 99 <br /> Relative% <br /> ' Difference: 00 4.2 51 20 4 4 <br /> a! + {`ay.+cucj.{wt iyraaV. �' Ji <br /> i at r r'K k J�v+ i+yi <br /> F{ <br /> :k5di"�r`.Y�.,,,..s.:�,�.. <br /> ' LCS Batch#: LCS092094 LCS092094 LCS092094 LCS092094 <br /> Date Prepared: 9/20/94 9/20/94 9/20/94 9/20/94 <br /> Date Analyzed: 9/20/94 9/20/94 9/20/94 9/20/94 <br /> Instrument I.D.#: GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> ' LCS % <br /> Recovery: 99 96 100 98 <br /> ' % Recovery <br /> Control Limits: 71-133 72-128 72-130 71-120 <br /> Please Note <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> ELAP #2000 preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> l fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> Lthe recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> Vickie Tague Clark interference,the LCS recovery is to be used to validate the batch <br /> Project Manager 9409538 WAT .43, <br />