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r- Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364-9600 FAX(415)364.9233 <br /> j 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686-9600 FAX(Sio)686.9689 <br /> 1 ala Cal 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-96W FAX(916)92"100 <br /> �4RESNAtt Client Project ID. 054046 02, Coca Cola <br /> 1710 Main Street Mains• Liquid <br /> FlEscalon, CA 85320 <br /> �Attentton Jeanne Romsey QC Sample Group 4CA9001� Re rted: Mar 29, 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> Method: EPA a= EPA 8020 EPA 8020 EPAP.020 EPA 8015 <br /> Analyst: J Winkel J Minkel J Minkel J Minkel A Nags <br /> MS/MSD <br /> Batch#: 4CA5301 4CA5301 4CA5301 4CA5301 BLK031894 <br /> Date Prepared: 3/18/84 <br /> Date Analyzed: 3/21/94 3/21/94 $/21/94 3/21/94 3/18/94 <br /> 1 Instrument 1.134: GCHP-17 GCHP-17 GCHP--17 GCHP-17 GCHP-5B <br /> Conc. Spiked: topg/L 10ug/L 10mg/L 30pg/L 800Pg/L <br /> Matrix Spike <br /> %Recovery. 100 100 100 103 67 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 100 100 100 103 70 <br /> Relative% <br /> Difference: 00 e,0 00 00 4 4 <br /> +•n'yE[vA r'a?a Y'M.J• U� O +>'(!"< <br /> ' LCS Batch#: - - - - - <br /> Date Prepared: w <br /> Date Analyzed: <br /> Instrument I.D.#: - - - - - <br /> LCS% - - - <br /> Recovery: - - <br /> ' % Recovery <br /> Control Limits: 71-133 72-128 72-130 71-120 26.122 <br /> Please,Note <br /> The LCS is a control sample of known,Interferent free matrix that is analyzed using the same reagents, <br /> EQUOIA 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 /> V�f/1jI`` the 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 4CA9oo1 WAT c3> <br />