Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> NO (415) 364-9600 FAX (415) 364-9233 <br /> RESNA Client Project 16- n 152102 02,"TVGT <br /> 1710 Main Street Matrix Water <br /> Escalon, CA 95320 <br /> ;Attention Lois Frantz QCSample Group 3175402, 07-09 Reported Sep 27, 1993 <br /> v v <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: M Nipp B All B Ali B Ah <br /> Cone. Spiked: 10 10 10 30 <br /> Units: ug/L Fug/L vg/L ug/L <br /> LCS Batch#: GBLK092193 GBLKW2193 GBLK092193 GBLK092193 <br /> Date Prepared: N A. N A. N A. N A. <br /> Date Analyzed: 9/21/93 9/21/93 9/21/93 9/21/93 <br /> Instrument I.D #: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> LCS% <br /> Recovery: 95 95 95 93 <br /> Control Limits: 80-120 80-120 80-120 80-120 <br /> MS/MSD <br /> Batch#: 3180101 3180101 3180101 3180101 <br /> Date Prepared N A. N A. N A. N A. <br /> Date Analyzed, 9/21/93 9/21/93 9/21/93 9/21/93 <br /> Instrument I.D#: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Matrix Spike <br /> % Recovery* 94 94 98 93 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 92 92 92 93 <br /> Relative% <br /> Difference- 22 22 32 00 <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 <br /> validation of sample batch results Due to matrix effects,the OC limits for MS/MSD's are advisory only <br /> jj and are not used to accept or refect batch results <br /> Vickie Tague <br /> Project Manager 3175401 WAT <4> <br />