Laserfiche WebLink
Sequa 680 Chesapeake Drive Rtd—ood' CilyQ94063 (4 15) 364.9600 FAX(4,15) 364-9233 <br /> 404 W,,,,L,,, \X"alnut C.c:k,CA 94598 (510) 983-9600 EkX(510) 983-9673 <br /> Analytical <br /> 919 S cri ker Avenue,,Suite 3 Sac.ramenco,CA 95334 (916) 9219600 FAX(916) 921-01()0 <br /> . ............. .. ........... <br /> Brown & Caldw 6N Client Project ID: Arco 5450, Stockfon <br /> 9616 Micron Ave., Suite 600 Matrix: Soil <br /> Sacramento, CA 95827 <br /> Attention. <br /> Steve Misner QC Sample Group: 5100288-291 Reported: Oct 20, 1995'" <br /> . ............... ........ <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Cadmium Chromium Lead Nickel Zinc <br /> Method: EPA 6010 EPA 6010 EPA 6010 EPA 5010 EPA 6010 <br /> Analyst: K. Barta K. Barta K.Sarta K.Sarta K.Barta <br /> Concentration <br /> Spiked: 50 mg/kg .50 mg/kg 50 mg/kg 50 mg/kg 50 mg/kg <br /> LCS Batch#: LCSI0II95A LCS101195A LCS101195A LCS101195A LCSI0II95A <br /> Date Prepared: 10/11/95 10/11/95 10/11/95 10/11/95 10/11/95 <br /> Date Analyzed: 10/20/95 10/20/95 10/20/95 10/20/95 10/20/95 <br /> Instrument I.D-#: MTJA-2 MTJA-2 MTJA-2 MTJA-2 MTJA-2 <br /> LCS % <br /> Recovery: 100 100 100 100 100 <br /> Control Limits: 80-120 80-120 80-120 80-120 80-120 <br /> .................................... <br /> .. ............................. .................... <br /> . .................. .... ......... .. .... ... X 7. <br /> N.; .. ........ <br /> ...................... <br /> ........... <br /> ................. . . ............... .. <br /> MS/MSD <br /> Batch#: 5100288 5100288 5100288 5100288 5100288 <br /> Date Prepared: 10/11/95 10/11/95 10/11/95 10/11/95 10/11/95 <br /> Date Analyzed., 10/20/95 10/20/95 10/20/95 10/20/95 10/20/95 <br /> Instrument I-D-#: MTJA-2 MTJA-2' MTJA-2 MTJA-2 MTJA-2 <br /> Matrix Spike <br /> Recovery: 94 84 96 92 106 <br /> 'Matrix Spike <br /> Duplicate % <br /> Recovery. 92 82 76 86 68 <br /> Relative % <br /> Difference: 2.2 2,4 20 6.7 44 <br /> Please Note: <br /> The LCS is a control sample of known,interferent free 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 /> validation of sample batch results Due to matrix effects the QC limits far MS/MSE)'s are advisory only <br /> J6VUt and not used to ac,,Pt 11 r, It.batch results. <br /> Jan r1an Gil <br /> Project <br /> H 0a <br /> Janet <br /> P rol <br /> rojecttarnager <br /> 5100288.BRS <4> <br />