Laserfiche WebLink
' 0 0 <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> �III� Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> aw <br /> t. <br /> Kleinfelder Client Project ID: 20-4054-01.E01 <br /> 2825 East Myrtle St. Matrix. Soil/Water <br /> Stockton, CA 95205 <br /> Attention: Tony Martin QC Sample Group 8020746-0757 Reported: Mar 16, 1998::::: <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 2,4-Dinitro- Penta- <br /> Acenaphthene 4-Nitrophenol toluene chlorophenol Pyrene <br /> ' Method: EPA 8270 EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Analyst: B.Pitamah B.Pitamah B.Pitamah B.Pitamah B. Pitamah <br /> Concentration <br /> Spiked: 3,300 pg/kg 3,300 Ng/kg 3,300 Ng/kg 3,300Ng/kg 3,300 Ng/kg <br /> ' LCS Batch#: SB0302BS SB0302BS SB0302BS SB0302BS SB0302BS <br /> Date Prepared: 03/02/98 03/02/98 03/02/98 03/02/98 03/02/98 <br /> Date Analyzed: 03/03/98 03/03/98 03/03/98 03/03/98 03/03/98 <br /> Instrument I.D.#: F4 F4 F4 F4 F4 <br /> LCS % <br /> Recovery: 64 49 70 47 64 <br /> Control Limits: 31-137% 11-114% 28-89% 17-109% 35-142% <br /> ' MS/MSD <br /> Batch#: 9802150-01 9802150-01 9802150-01 9802150-01 9802150-01 <br /> Date Prepared: 03/02/98 03/02/98 03/02/98 03/02/98 03/02/98 <br /> Date Analyzed: 03/03/98 03/03/98 03/03/98 03/03/98 03/03/98 <br /> Instrument I.D.#: F4 F4 F4 F4 F4 <br /> ' Matrix Spike <br /> % Recovery: 63 53 71 57 66 <br /> Matrix Spike <br /> ' Duplicate % <br /> Recovery: 68 59 77 58 81 <br /> Relative % <br /> Difference: 6.9 11 8.6 1.1 20 <br /> SEQUOIA ANAL TI L 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 /o recovery data is used for <br /> '�(L validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> inda C. Schneider and are not used to accept or reject batch results. <br /> Project Manager/Sacramento Laboratory Page 2 of 2 <br /> 8020752.KLF <32> <br />