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l110 2nd Avenue South,#D7,Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798in E r Fax 925-798-1622 <br /> httpj/www mccarripbell com E neai1 mainca bel]co- <br /> FA <br /> QC SUMMARY REPORT FOR SW8021B <br /> Matrix W <br /> WorkOrder 0305262 <br /> EPA Method SW8021 B Extraction SW5030B BatchlD 6882 Spiked Sample ID 0305264-0011A <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Cri�High <br /> ) <br /> Compound <br /> pg1L pglL %Rec %Rec %RPD %Rec % Rec %RPD Low <br /> Chlorobenzene NO t0 904 91 6 131 905 914 0 984 70 130 <br /> l,i-Dtchlomethene ND 10 112 114 2 10 119 H8 1 36 70 130 <br />' Trichloroethene ND 10 894 897 0 262 92 904 181 70 130 <br /> %SS 946 100 89 879 124 85 8 883 2 87 70 130 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> U <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)I(MS+MSD)*2 <br /> ' *MS and 1 or MSD spike recoveries may not be near 100%or the RPOs 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 enough sample to perforin matrix spike and matrix spike duplicate <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 /> Laboratofyextraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />