Laserfiche WebLink
680 Chesapeake Drive Redwood City CA 94063 ' (650)364-9600 FAX(650)364 9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (915)988-9600 FAX(925)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)911 0100 <br /> 4mqW 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)791-1865 FAX(707)791-0342 <br /> einfelder-Stockton Client Project ID 20-1311=40 E01 <br /> 2825 East Myrtle St Matrix Soil/Water <br /> Stockton, CA 95205 <br /> Attention Tony Martin QC Sample Group S811082 Reported Nov 20, 1998v <br /> r <br /> QUALITY CONTROL DATA REPORT <br /> r <br /> ALYTE <br /> MTBE MTBE MTBE Methanol Methanol <br /> Method EPA 8260 EPA 8260 EPA 8260 ISHS ISHS <br /> Analyst M W/T C T Costello T Costello TS T S <br /> Concentration <br /> Spiked 2,500 ug/kg 50 ug/L 2,500,ug/kg 8 0 mg/L 8 0 mg/kg <br /> LCS Batch# VMB111298S VMB1112T VMB1113S ISWLCS2 ISsLCS2 <br /> (LCS111198) (LCS111398) 1111698 111198 <br /> Date Prepared 11/11/98 11/12/98 11/13/98 11/11/98 11/11/98 <br /> Date Analyzed 11/12/98 11/12/98 11/13/98 11/11/98 11/11/98 <br /> Instrument I D # H6 H6 GCV-01 GCV-01 <br /> LCS°/O <br /> Recovery 80 86 88 101 104 <br /> Control Limits 70-130% 70-130% 70-130% 70-130% 70-130% <br /> 1 <br /> MS/MSD ISWBS ISSBS <br /> Batch# 9811604-02 9811598-02 9811604-02 13SD110698 BS11 i 198 <br /> Date Prepared 11/11/98 11/12/98 11/11/98 11/06/98 11/11/98 <br /> Date Analyzed 11/12/98 11/12/98 11/12/98 11/06/98 11/11/98 <br /> Instrument I D # H6 H6 H6 GCV-01 GCV-01 <br /> Matrix Spike <br /> % Recovery 92 88 92 104 94 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 88 88 88 103 96 <br /> Relative% <br /> Difference 44 00 44 35 26 <br /> Please Note <br /> 1 The LCS is a control sample of known,interferent tree matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> :7in'ida <br /> validation of sample batch results Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> and are not used to accept or reject batch results <br /> C Schneider <br /> olect Manager/Sacramento Laboratory <br /> S811082 KLF <15> <br />