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McCampbell Analytical, Inc. 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Web: www.mecampbell.com E-mail: main@mccampbell.com <br />"When Oualitv Counts" Telephone: 877-252-9262 Fax: 925-252-9269 <br />QC SUMMARY REPORT FOR 6010C <br />W.O. Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0903369 <br />EPA Method 6010C <br />Extraction SW3050B <br />BatchlD: 42013 <br />Spiked Sample ID 0903369-002A <br />Analyte Sample <br />Spiked <br />MS <br />MSD MS -MSD Spiked <br />LCS <br />LCSD <br />LCS-LCSD <br />Acceptance Criteria (%) <br />mg/Kg <br />mg/Kg <br />% Rec. <br />% Rec. °/a RPD mg/Kg <br />% Rec. <br />% Rec. <br />I % RPD <br />MS / MSD RPD LCS/LCSD RPD <br />Nickel 5.5 <br />50 <br />90.7 <br />81.8 9.16 10 <br />97 <br />95.2 <br />1.90 <br />75 - 125 20 75 - 125 20 <br />%SS: 105 <br />250 <br />98 <br />105 7.68 250 <br />92 <br />99 <br />1 7.22 <br />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 <br />NONE <br />with the following exceptions: <br />BATCH 42013 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />0903369-001A 03/13/09 9:01 AM 03/13/09 03/16/09 4:29 PM I 0903369-002A 03/13/09 8:45 AM 03/13/09 03/16/09 4:18 PM <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 />DHS FLAP Certification 1644 0V QA/QC Officer <br />