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McCamnbell Analytical, Inc 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccamphell.com E-mail:main@mmampbell.com <br /> "When Oualiw Counts" Telephone:877-252-9262 Fax:925-252.9269 <br /> • QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil OC Matrix: Soil WorkOrder 0805420 <br /> EPA Method 6020A Extraction SW3050B BatchlD: 35676 Spiked Sample ID 0805420.013A <br /> Analyte Sample Spiked MS MSDMS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(°/) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD mg/K9 %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Antimony 0.69 50 103 103 0 10 103 102 0.293 70- 130 20 80- 120 20 <br /> Arsenic 5.9 50 95.9 95.6 0.223 10 97.8 94.3 3.65 70- 130 20 80- 120 20 <br /> Barium 210 500 96.2 97.5 0.940 100 96.7 95.8 0.870 70- 130 20 80- 120 20 <br /> Beryllium 1 0.69 50 86.6 86.4 0.228 10 97.4 97.4 0 70- 130 20 80- 120 20 <br /> Cadmium 0.45 50 94.1 95 0.964 10 97 95.9 1.09 70- 130 20 80- 120 20 <br /> Chromium 58 50 87.8 88.6 0.391 10 99.5 97.9 1.61 70- 130 20 go- 120 20 <br /> Cobalt 18 50 85.7 87.1 1.17 10 98.9 98 0.894 70- 130 20 80- 120 20 <br /> Copper 53 50 93.8 94.6 0.398 10 99.9 98.4 1.49 70- 130 20 80- 120 20 <br /> Lead 41 50 92.2 92.5 0.206 10 98.5 97.8 0.744 70- 130 20 80- 120 20 <br /> Mercury NO 1.25 90.1 90.9 0.932 0.25 96.1 94.6 1.55 70- 130 20 80- 120 20 <br /> Molybdenum 1.2 50 96.4 97.4 1.07 10 96.8 95.6 1.31 70- 130 20 1 80-120 20 <br /> Nickel 49 50 96.4 98.3 1.01 10 89.9 88.6 1.54 70- 130 20 80- 120 20 <br /> Selenium NO 50 92.5 93.8 1.30 10 95 93.9 1.20 70- 130 20 80- 120 20 <br /> Silver ND 50 99.7 104 3.95 t0 99.3 97.7 1.67 70- 130 20 80- 120 20 <br /> Thallium NO 50 94 94.7 0.654 10 93.5 93.4 0.0963 70- 130 20 80- 120 20 <br /> . Vanadium 94 50 88.2 89 0.289 10 98.5 97.2 1.28 70- 130 20 80- 120 20 <br /> Zinc 280 500 94.4 94.5 0.0400 100 103 102 0.293 70- 130 20 80- 120 20 <br /> %2 <br /> 2 <br /> : 96 250 95 96 1.18 250 95 94 1 0.927 70- 130 20 70- I30 20 <br /> All target compounds in the Method Blank of this extraction batch were NO less than the method RL with the following exceptions: <br /> NONE <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100`(MS-Sample)/(Amount Spiked);RPD=loo-(MS- MSD)/((MS+MSD)12). <br /> MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> N/A=not applicable to this method. <br /> • NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte <br /> content. <br />