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McCamnbell Analvhcal. Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mocsmpbell.com E-mail:maineamccampbell.com <br /> "When Oualitv 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 0805464 <br /> EPA Method 6020A Extraction SW3050B BatchlD: 35705 Spiked Sample ID 0805464.010A <br /> Analyte Sample Spiked MS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. % Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Antimony NO 50 104 105 0.954 10 99.4 101 1.60 70- 130 20 80- 120 20 <br /> Arsenic 16 50 99.1 100 0.726 10 93.7 92.8 0.976 70- 130 20 80- 120 20 <br /> Barium 220 500 99.8 100 0.445 100 96.4 97.5 1.12 70- 130 20 80- 120 20 <br /> Beryllium 0.65 50 90.3 87.6 2.93 10 85.5 86.6 1.22 70- 130 20 80- 120 20 <br /> Cadmium ND 50 97.3 97.7 0.369 10 95.6 95.8 0.219 70- 130 20 So- 120 20 <br /> Chromium 56 50 91.4 92.2 0.394 10 94.4 94.4 0 70- 130 20 80- 120 20 <br /> Cobalt 17 50 95.6 96.7 0.864 10 94.9 96.8 1.93 70- 130 20 80- 120 20 <br /> Copper 35 50 93.2 93.4 0.147 10 89.4 89.3 0.168 70- 130 20 80- 120 20 <br /> Lead 8.2 50 96 97.3 1.15 10 91.5 91.2 0.245 70- 130 20 So- 120 20 <br /> Mercury NO 1.25 90.3 91.5 1.38 0.25 93.3 92.4 0.905 70- 130 20 80- 120 20 <br /> Molybdenum NO 50 98.3 98.5 0.222 10 92.7 93.6 0.956 70- 130 20 80- 120 20 <br /> Nickel 40 50 93.2 93.3 0.0230 10 94.2 94.1 0.127 70- 130 20 80- 120 20 <br /> Selenium ND 50 97.8 97 0.776 10 92.9 93.1 0.280 70- 130 20 1 80- 120 20 <br /> Silver NO 50 97.7 1 97.5 0.184 10 94.9 95.2 0.274 70- 130 20 80- 120 20 <br /> Thallium NO 50 94 95.9 1.97 10 90.1 91.5 1.53 70- 130 20 80- 120 20 <br /> • 1 Vanadium 100 50 92.4 93 0.202 10 97.2 97.7 0.585 70- 130 20 80- 120 20 <br /> Zinc 80 500 93.2 94.2 0.948 100 94.3 95.8 1.55 70- 130 20 80- 120 20 <br /> %SS: 100 250 97 96 0.827 1 250 1 96 96 0 70- 130 20 70- 130 20 <br /> All target compounds in the Method Blank of this extraction batch were ND 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=100`(MS- MSD)/((MS+MSD)/2). <br /> MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one at more of the following reasons:a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked,or to 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. 'n <br />