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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> Mccamphell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> htip#www mccampbetl coin E-mail main[@mccampbell coin <br /> • QC SUMMARY REPORT FOR E200.9 <br /> Matrix W WorkOrder 0307420 <br /> ' EPA Method E200 9 Extraction 8200 9 BatchlD 7948 Spiked Sample ID NIA <br /> Sample Spiked MS" MSDMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' <br /> mg/L. mglL %Rec %Rec %RPO %Rec %Rec %RPD Low High <br /> Lead NIA 0 010 NIA NIA NIA 956 100 470 70 130 <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 /> i � <br /> Ik I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ` <br /> Deviation <br /> %Recovery=100"(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)!(MS+MSD)*2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%It a)the sample is inhomogenous AND contains significant concentrations of <br /> i' analyte relative to the amount spiked or b)if that specific sample matrix Interferes with spike recovery <br /> N/A=not applicable to this method <br /> NR=lanalyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I <br /> i <br /> I 4 <br /> i <br /> � i <br />