Laserfiche WebLink
r � <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX{4t5) 364 9233 <br /> 404 N W get Lane Walnut Creek CA 94598 1510) 988 9600 FAX (510)988 9673 <br /> Analytical 919 Straker Avenue Suite 9 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Delta Environmental Consultants Client Project ID Exxon #7-3708 Stockton, CA <br /> 3164 Gold Camp Dr, Suite 200 Matrix Water <br /> Rancho Cordova, CA 95670 <br /> Attention Todd Galati OC Sample Group 5111726-28 Reported Dec 13 1995 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> 9enzene Toluene Benzene Xylenes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst V Owens V Owens V Owens V Owens <br /> Concentrbition <br /> Spiked 10 ug/L 10 ug/L 10lig/L 30 pg/L <br /> LCS Batch# LCS120795 LCS120795 LGS120795 LCS120795 <br /> Date Prepared 12/7/95 12/7/95 12/7/95 12/7/95 <br /> Date Analyzed 12/7/95 12/7/95 12/7/95 12/7/95 <br /> Instrument I D # GCHP-1 GCHP-1 GCHP 1 GCHP-1 <br /> LCS <br /> Recovery 96 98 98 98 <br /> Control Limits 75-125 75-125 75-125 75-125 <br /> MS/MSD BS120795 88120795 85120795 SS120795 <br /> Batch # <br /> Date Prepared 12/7/95 12/7/95 12/7/95 12/7/95 <br /> Date Analyzed 12/7/95 12/7/9$ 12/7/95 12/7/95 <br /> Instrument I D # GCHP 1 GCHP 1 GCHP-1 GCHP-1 <br /> Matrix Spike <br /> % Recovery 96 100 98 100 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 106 109 09 109 <br /> Relative % <br /> Difference 99 86 11 86 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known interferent free rnatnx 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 QC limits for MS/MSD s are advisory only <br /> Linda C Schneider and are not used to accept or reject batch results <br /> Project Manager 5111726 DLT <2> <br />