Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (4 15) 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 Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> kleinfelder Client Project ID 20-3941-01 E01 <br /> 2825 East Myrtle St Matrix Soil <br /> Stockton, CA 95205 <br /> Attention Tony Martin QC Sample Group 6060919-1001 Reported Jul 10, 1996 <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 V Owens V Owens V Owens V Owens <br /> Concentration <br /> Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg <br /> LCS Batch# LCS070196 LCS070196 LCS070196 LCS070196 <br /> Date Prepared 07/01/96 07/01/96 07/01/96 07/01/96 <br /> Date Analyzed 07/01/96 07/01/96 07/01/96 07/01/96 <br /> Instrument 1 D # GCHP 1 GCHP 1 GCHP t GCHP-1 <br /> 10 LCS % <br /> Recovery 85 91 97 98 <br /> Control Limits 75 125 75-125 75 125 75-125 <br /> MS/MSD <br /> Batch # 6060915 6060915 6060915 6060915 <br /> Date Prepared 07/01/96 07/01/96 07/01/96 07/01/96 <br /> Date Analyzed 07/01/96 07/01/96 07/01/96 07/01/96 <br /> Instrument I D # GCHP-1 GCHP 1 GCHP 1 GCHP-1 <br /> Matrix Spike <br /> % Recovery 74 81 85 85 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 76 82 88 89 <br /> Relative% <br /> Difference 27 12 35 46 <br /> EQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known,Interferent free matrix that Is analyzed using the same reagents, <br /> �7 '? preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> Cvalidation of sample batch results Due to matrix effects,the QC limits for MS/M5D's are advisory only <br /> Linda C Schneider and are not used to accept or reject batch results <br /> Project Manager/Sacramento Labors ory <br /> 6060973 KLF <14> <br />