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McCampbell Analytical, Inc. 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />�.' --- _ Web: www.mccampbell.com E-mail mainLPmccampbell.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: 0903016 <br />EPA Method 6010C <br />Extraction SW3050B <br />BatchlD: 41938 <br />Spiked Sample ID 0903016-014A <br />Analyte <br />Sample <br />Spiked <br />MS <br />MSD <br />MS -MSD Spiked <br />LCS <br />LCSD LCS-LCSD <br />Acceptance Criteria (%) <br />mg/Kg mg/Kg % Rec. <br />% Rec. <br />% RPD mg/Kg <br />% Rec. % Rec. % RPD <br />MS / MSD RPD LCS/LCSD RPD <br />Nickel <br />250 <br />50 <br />NR <br />NR <br />NR 10 <br />107 <br />98.8 7.81 <br />75 - 125 20 80 - 120 20 <br />%SS: <br />106 <br />1 250 <br />1 113 <br />104 <br />7.73 250 <br />102 <br />102 0 <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 with the following exceptions. <br />NONE <br />BATCH 41938 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />0903016-014A 02/27/09 1.15 PM 03/10/09 )3/12/09 10:02 AM I 0903016-017A 02/27/09 1.18 PM 03/10/09 03/11/09 2:10 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 ELAP Certification 1644 QA/QC Officer <br />