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—T— <br />l^ ; McCampbell Analytical, Inc. 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Web: www.mccampbell.com E-mail: mainCmccampbelLcom <br />"When Quality Counts" <br />Telephone: 877-252-9262 Fax: 925-252-9269 <br />QC SUMMARY REPORT FOR 6010C <br />W.O. Sample Matrix: Soil QC Matrix: Soil tA/nrknrr)or nonan,c <br />EPA Method 6010C <br />)2/27/09 11:06 AM <br />03/04/09 )3/05/09 11:29 AM <br />Extraction SW3050B <br />BatchlD: 41837 <br />Spiked Sample ID 0903016-007A <br />Analyte Sample <br />Spiked <br />MS <br />MSD <br />MS -MSD <br />Spiked <br />LCS LCSD <br />LCS-LCSD <br />Acceptance Criteria (%) <br />mg/Kg <br />mg/Kg <br />% Rec. <br />% Rec. <br />% RPD <br />mg/Kg <br />I % Rec. % Rec. <br />I % RPD <br />LCS/LCSD <br />RPD <br />Nickel 8.2 <br />50 <br />90.8 <br />94.9 <br />3.75 <br />10 <br />99.7 97.3 <br />244 <br />g12520 <br />75 - 125 20 <br />°/aSS: 108 <br />250 <br />112 <br />106 <br />4.96 <br />250 <br />104 103 <br />0.580 <br />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 41837 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analvzed <br />0903016-007A <br />)2/27/09 11:06 AM <br />03/04/09 )3/05/09 11:29 AM <br />0903016-009A 12/27/09 1 1:18 AM 03/04/09 )3/05/09 1 1:33 AM <br />0903016-013A <br />)2/27/09 11:57 AM <br />03/04/09 13/05/09 1 1 :36 AM <br />0903016-016A )2/27/09 12:07 PM 03/04/09 )3/05/09 11 :47 AM <br />0903016-019A <br />)2/27/09 12:15 PM <br />03/04/09 )3/05/09 11 50 AM <br />0903016-024A )2/27/09 12:32 PM 03/04/09 )3/05/09 11:54 AM <br />0903016-027A <br />)2/27/09 12:38 PM <br />03/04/09 )3/05/09 12:04 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) 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 />DHS ELAP Certification 1644 QA/QC Officer <br />