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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> 1 ,n: v 6 ,, ,— , ,srrn l v <br /> R158NA , }{ Cllent+Project )D W0322 00, JBryTerminal/Tracy <br /> 1710 Main Street Matrix Water <br /> Escalon, CA 95320 <br /> Attention Lois Frantz QC Sample Group 3J49501-04 Reported Oct 19, 1993 <br /> [ • { n � i <br /> t{n of <br /> QUALITY CONTROL DATA REPORT <br /> ANACYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes <br />' Method: EPA 8020 EPA 6020 EPA 8020 EPA 8020 <br /> Analyst: J Fontecha J Fontecha J Fontecha J Fontecha <br /> Conc. Spiked 20 20 20 60 <br /> Units. jig/L N9/L Y9/L N9/L <br /> I <br /> LCS Batch#: LCS101493 LC8101493 LCS101493 LCS101493 <br />' Date Prepared: 10/14/93 10/14/93 10/14/93 10/14/93 <br /> Date Analyzed: 10/14/93 10/14/93 10/14/93 10/14/93 <br /> Instrument I.D #: GCHP4 GCHP-4 GCHP4 GCHP4 <br /> LCS % <br /> Recovery: 99 98 97 99 <br />' Control Limits: 70-130 70-130 7x130 70-130 <br /> .. . }`~4 c r r , c kr:n 7+ • i o a i} L n u+w. ,. + + „ r .` r` w ` ` <br /> MS/MSD <br /> Batch#' 3100573 3100573 3100573 3100573 <br />' Date Prepared: 10/14/93 10/14/93 10/14/93 10/14/93 <br /> Date Analyzed 10/14/93 10/14/93 10/14/93 10/14/93 <br /> Instrument I D #: GCHP4 GCHP-4 GCHP-4 GCHP-4 <br />' Matrix Spike <br /> % Recovery: 100 100 100 102 <br />' Matrix Spike <br /> Duplicate% <br /> Recovery: 100 100 95 98 <br /> Relative% <br /> Difference: 00 00 51 40 <br /> SEQUOIA 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 UlY validation of sample batch results Due to matrix effects,the OC limits for MS/MSD's are advisory only <br /> Vickie Tague and are not used to accept or refect batch results <br />' Project Manager 3,149501 WAT <3> <br />