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110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCamrbell Analytical Inc Telephone 925 74&1620 Fax 925 798-1622 <br /> http Ilwww mccampbe)I corn E-mail majn@rnccampWJ corn <br /> 10 QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> Matrix 5 WorkOrder 0307331 <br /> EPA Method SW8015C Extraction SW3550C BatchlD 7881 Spiked Sample ID 0307330-023A <br /> Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Crttena(%) <br /> mg/Kg mg/Kg % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) ND 150 947 957 1 10 99 997 0 627 70 130 <br /> 0/aSS 106 100 111 112 137 110 110 0 70 j 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> %Recovery=100'(MS Sample)!(Amount Spiked),RPD=100"(MS—MSD)1(MS.+MSD)'2 <br /> "MS and!or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)it that specific sample matrix interferes with spike recovery <br /> . N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentratton in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />