Laserfiche WebLink
1 ` \ Sequoia 690 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Orr`r�� 1900 Rates Avcnue Suite L Concord CA 94520 (5t0) 6116 9600 FAX(5 10)696 9699 <br /> Analytical 1119 Striker Avenue Suite 9 Sacramento CA 95814 (9 16) 92t 9600 FAX(916)921 0100 <br /> Geocon Client Project ID 58080-06-02/South Hutchins St , Lodi, CA <br /> 11333 Sunco Dr , Suite 100 Matrix Soli u = <br /> Rancho Cordova, CA 95742 <br /> Attention Rick Walls QC Sample Gaup 4110489-499 Reported Nov 29, 1994 <br /> 1 <br /> QUALITY CONTROL DATA REPORT <br /> 1 ' <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel <br /> Method EPA 8020 EPA 60?0 EPA 8020 EPA 8020 EPA 8015M <br />' Analyst N Zahech N Zahed, N Zahedi N Zahedl C Lee <br /> Concentration <br /> Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg 7 5 mg/Kg <br />' LCS Batch# LCS112394 LCS 112394 LCS112394 LCS 112394 LCS111494 <br /> Date Prepared 11/23/94 11/23/94 11/23/94 11/23/94 11/14/94 <br />' Date Analyzed 11/23/94 11/23/94 11/23/94 11/23/94 11/15/94 <br /> Instrument I D # GCHP-1 GCHP 1 GCHP 1 GCHP 1 GCHP-3B <br /> LCS <br /> Recovery los los las 112 112 <br /> Control Limits 75 125 75 125 75 125 75 125 60-130 <br /> MS/MSD <br /> Batch # 4110370 4110370 4110370 4110370 4110524 <br /> Date Prepared 11/22/94 11/22/94 11/22/94 11/22/94 11/14/94 <br />' Date Analyzed 11/23/94 11/23/94 11/23/94 11/23/94 11/17/94 <br /> Instrument I D # GCHP 1 GCHP 1 GCHP 1 GCHP-1 G:-HD-313 <br />' Matrix Spike <br /> % Recovery 96 96 95 98 <br /> Matrix Spike <br />' Duplicate % <br /> Recovery 92 93 90 95 <br />' Relative % <br /> Difference 43 32 54 31 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known lnterlerent free matnx that is analyzed using the same reagents <br /> f r preparation and analytical met.ods 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/MSG's are advisory only <br /> Je ie Higgins and are not used to accept or reject batch results "Matrix interference <br /> Project Manager 4110489 GEC <s> <br /> 1 <br />