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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCamubell Analytical. Inc. Web:www..ccampball.com E-mail:main@mccampbell.com <br /> "When Quality Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> • QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0805377 <br /> EPA Method 6020A Extraction SW3050B BatchlD: 35575 Spiked Sample ID 0805312.003A <br /> �Sampll,e Spiked MS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> glKmg <br /> %Rec. %Rec. %RPD m9/Kg Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Antimony 1.3 50 108 108 0 10 97.2 102 5.22 70- 130 20 80- 120 20 <br /> Arsenic 8.1 50 104 103 0.919 10 92.2 96.2 4.21 70- 130 20 80- 120 20 <br /> Barium 150 500 106 108 1.29 100 92.2 97.1 5.13 70- 130 20 80- 120 20 <br /> Beryllium ND 50 98.4 99.5 1.12 10 97.2 103 5.63 70- 130 20 80- 120 20 <br /> Cadmium 0.36 50 103 104 0.905 10 93.7 98.8 5.31 70- 130 20 80- 120 20 <br /> Chromium 46 50 103 103 0 10 90.6 94.9 4.60 70- 130 20 80- 120 20 <br /> Cobalt 11 50 99 101 1.52 10 93.6 99.2 5.81 70- 130 20 80- 120 20 <br /> Copper 30 50 105 104 0.427 10 91.9 96.2 4.55 70- 130 20 80- 120 20 <br /> Lead 69 50 111 113 0.801 10 92.7 98 5.53 70- 130 20 80- 120 20 <br /> Mercury 0.11 1.25 96.2 98.3 2.03 0.25 88.8 92.6 3.89 70- 130 20 80- 120 20 <br /> Molybdenum 0.67 50 101 102 0.993 10 91.4 97.5 6.47 70- 130 20 80- 120 20 <br /> Nickel 39 50 107 105 0.8 3 10 91.2 95.8 4.82 70- 130 20 80- 120 20 <br /> Selenium ND 50 97.8 99.4 1.63 10 90.2 95.3 5.51 70- 130 20 80- 120 20 <br /> Silver ND 50 98.7 99.3 0.586 10 90.6 96.3 6.06 70- 130 20 80- 120 20 <br /> Thallium ND 50 102 102 0 10 90.2 94.5 4.67 70- 130 20 So- 120 20 <br /> • Vanadium 44 50 105 104 0.426 10 90.1 95.2 5.48 70- 130 20 80- 120 20 <br /> Zinc 100 500 106 108 1.54 100 96.4 102 5.50 70- 130 20 80- 120 20 <br /> %SS: 102 1 250 109 111 1 1.60 250 1 93 99 1 5.46 1 70- 130 1 20 1 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 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 />