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' r ■ , Sequoia 680 Chesapeake Dave Redwood Gty CA 94063 (415) 364 9600 FAX (415) 364-9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX (510)686-9,689 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> PRESNA Client Project ID 054006 02, Coca-Cola/Stockton N. <br /> 1710 Main Street Matra Liquid <br /> Escalon, CA 95320 <br /> ' Attention Jeanne Homsey QC Sample Group 4F32801-06 Reported Jun 20, 1994 <br /> ti <br /> ' QUALITY CONTROL DATA REPORT <br /> ' ANALYTE Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> Method' EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 5015 <br /> Analyst J Minkel J Minkel J Minkel J Minkel A. Nagra <br /> MS/MSD <br /> Batch#: 4F26404 4F26404 4F26404 4F26404 4F32801 <br /> Date Prepared: - 6/8/94 <br /> Date Analyzed. 6/7/94 6/7/94 6/7/94 6/7/94 6/11/94 <br /> ' Instrument I D #: GCHP-17 GCHP-17 GCHP-17 GCHP-17 GCHP-5 <br /> Cork. Spiked. 10pg/L 10pg/L 10pg/L 30pg/L 600 pg/L <br /> Matrix Spike <br /> % Recovery: 110 110 110 113 67 <br /> Matrix Spike <br /> ' Duplicate % <br /> Recovery: 100 100 100 103 57 <br /> Relative% <br /> ' Difference' 9 5 9 5 95 93 16 <br /> v r r}v v n'].'4,.5. r r ry i•r i v r n . }, r r r .v v r v ' i m r i.+4'A} } r MScw?mfi v.i Zit— <br /> ' LCS Batch#: <br /> ' Date Prepared = <br /> Date Analyzed: <br /> Instrument I.D.#: <br /> ' LCS % - <br /> Recovery: _ <br /> ' % Recovery <br /> Control Limits- 71-133 72-128 72-130 71-120 29-122 <br /> ' Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> EQUCIA 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 /> UyJ/� the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Vickie Tague Claris <br /> ' Project Manager 4F32801 WAT <3> <br />