Laserfiche WebLink
1 <br /> j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> Ri�SN'A Client Project ID V W0322 00, JB Terminal/Tracy {r <br /> w 1710 Main Street Matrix Soil <br /> Escalon, CA 95320 <br /> Attention Lois Frantz QC Sample Group 3J49505 Reported Oct 19, 1993 <br />' QUALITY CONTROL DATA REPORT <br />' <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: A Maralit A.Maralit A. Maralit A.Maralit <br /> Conc. Spiked: 020 020 020 060 <br />' Units: mg/kg mg/kg mg/kg mg/kg <br /> LCS Batch#. GBLK101393 GBLK10130 GBLK101393 GBLK101393 <br />' Date Prepared: 10/13/93 10/13/93 10/13/93 10/13/93 <br /> Date Analyzed: 10/13/93 10/13/93 10/13/93 10/13/93 <br /> instrument LD #. GCHP-6 GCHP-6 GCHP-6 GCHP-6 <br /> LCS % <br /> Recovery 100 100 100 100 <br /> Control Limits: 60.140 60-140 60-140 60-140 <br />' MS/MSD <br /> Batch#. 3,152808 3J52808 3,152808 3J52808 <br />' Date Prepared: 10/13/93 10/13/93 10/13/93 10/13/93 <br /> Date Analyzed: 10/13/93 10/13/93 10/13/93 10/13/93 <br /> Instrument I D.#' GCHP-6 GCHP-6 GCHP-6 GCHP-6 <br />' Matrix Spike <br /> %Recovery: 100 100 100 98 <br />' Matrix Spike <br /> Duplicate% <br /> Recovery. 100 100 100 100 <br />' Relative% <br /> Difference: 00 0 0 00 2 0 <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 /> C 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 QC limits for MS/MSD's are advisory only <br /> Vickie Tague and are not used to accept or reject batch results <br /> Project Manager 3J49501 WAT <4> <br />