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1102nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Wehsite www mccampbell com Email main iTiccampbeil com <br /> QC SUMMARY REPORT FOR E200.9 <br /> Matrix W WorkOrder 0405225 <br /> EPA Method E200 9 Extraction E200 9 BatchlD 11547 Spiked Sample lO 0405225-001 D <br /> Sample Spiked MS' MSD' MS-MSD' -LCS — LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> mg/L mg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Lead ND 0 010 856 113 275 1 I 1 107 352 80 120 <br /> All target compounds in the Method 131ank 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,RRD=Relative Percent <br /> Deviation <br /> %Recovery=100•(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)1 2) <br /> "Acceptance Criteria for MS 1 MSD is between 70%and 130% MS and I or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the Sample <br /> is inhomogenous AND contains significant concentratons of analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> NIA=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 <br /> analyte content <br /> DHS Certification No 1644 QA/QC Officer <br />