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A /-� h 1534 Willow Paas Road, Pitts CA 94565-1701 14 1 V► C 4 a m p b e+I' A n a' y (C a I• Inc. Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 men Qua&y Counts" I http://Www.nrcampbeH.com / E-mail: nminQmccampbell.com QC SUMMARY REPORT FOR E218.6m W.O. Sample Matrix: Soil QC Matrix: Soil BatchlD: 63511 WorkOrder: 1112555 EPA Method: E218.6 Extraction: SW3060A Spiked Sample ID: 1112220-011A Analyte Sample Spiked MS MSD MS -MSD LCS Acceptance Criteria (%) mg/Kg mg/Kg % Rec. % Rec. % RPD % Rec. MS / MSD RPD LCS Hexachrome ND 400 80.6 81.7 1.36 91.2 70-130 20 80-120 All target compounds in the Method Blank of this extraction batch Were ND less than the method RL with the following exceptions: NONE BATCH 63511 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyze( 1112555-001 A 12/19/11 12/20/11 12/20/11 2:12 PM 1112555-002A 12/19/11 12/20/11 12/20/112:30 M71 1112555-003A 12/19/11 12/20/11 12/20/11 2:49 PM 1112555-004A 12/19/11 12/20/11 12/201113:07 PM 1112555-005A 12/19/11 12/20/11 12/20/113:25 PM MS = Matrix Spike; MSD = Matrix Spike Duplicate; LCS = Laboratory Control Sample; LCSD = Laboratory Control Sample Duplicate; RPD = Relative Percent Deviation. % Recovery = 100 * (MS -Sample) / (Amount Spiked); RPD = 100 * (MS - MSD) / ((MS + MSD) / 2). 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 AND contains significant concentrations of analyte relative to the amount spiked, or b) the spiked sample's matrix interferes with the spike recovery. N/A = not applicable to this method. NR = analyte concentration in sample exceeds s ike amount for soil matrix or exceeds 2x s 'ke amount for water matrix or sam le diluted due to high matrix or analyte content DHS ELAP Certification 1644 QA/QC Officer Page 16 of 23