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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> ampbell Analytical Inc <br /> McCTelephone 925-798-1620 Fax 925-798-1622 <br /> Ihttp l/www mccampbell cam E-mail maen@mccampbell com <br /> • QC SUMMARY REPORT FOR E200.7/E200.9 <br /> Matrix W WorkOrder 0305330 <br />' EPA Method E2200 71E200 9 Extraction E200 7/E200 9 BatchlD 7006 Spiked Sample 1D NIA <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> mg1L mg/L % Rec %Rec %RPD %Rec %Rec %RPD Low high <br /> Cadmium N/A 10 N/A N/A N/A 112 110 244 70 130 <br /> Chromium N/A 10 N/A NIA N/A 103 984 4 19 70 130 <br />' Copper N/A 10 N/A N/A N/A 101 976 339 70 130 <br /> Nickel N/A 10 NIA N/A N/A 979 104 570 70 130 <br />' Zinc N/A 10 NIA N/A N/A 102 99 244 70 I — 130 <br /> %SS N/A 100 NIA N/A N/A 108 112 364 70 i 130 <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 /> 1 <br />' MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)1(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)*2 <br />' .MS and 1 or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> 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 />