Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avcnuc,Suite 8 Sacramento, CA 95834 (916) 921.9600 FAX(916)921.0100 <br /> Delta Environmental'Consi3itants'......Client Project Ib'-.* • Baan#7-3330, Stockton;CA <br /> 3164 Gold Camp Dr., Suite 200 Matrix: Water <br /> Rancho Cordova, CA 95670 <br /> s' Attention: C. Keoni Almeida QC Sample Group 6011034A-37A Reported: Feb 2, 1996;; <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Neves <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: BW/CC BW/CC BW/CC BW/CC <br /> Concentration <br /> Spiked: 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch#: LCS012996 LCS012996 LCS012996 LCS012996 <br /> Date prepared: 01/29/96 01/29/96 01/29/96 01/2-9/96 <br /> Date Analyzed: 01/29/96 01/29/96 01/29/96 01/29/96 <br /> Instrument i.D.#: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> LCS % <br /> Recovery: 91 96 101 100 <br /> Control Limits: 75-125 75-125 75-125 75-125 <br /> MS/MSD <br /> Batch #: 6010949 6010949 6010949 6010949 <br /> Date Prepared: 01/29/96 01/29/96 01/29/96 01/29/96 <br /> Date Analyzed: 01/29/96 01/29/96 01/29/96 01/29/96 <br /> Instrument I.D.#: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Matrix Spike <br /> % Recovery: 85 89 94 93 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery: 81 88 93 89 <br /> Relative % <br /> Difference: 4.8 1.1 1.1 4.4 <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 /> C validation of sample batch results. Due to matrix effects,the CC limits for MS/MSG's are advisory only <br /> Linda C. Schneider and are not used to accept or reject batch results. <br /> Project Manager <br /> 6011034A.DLT �2> <br />