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i <br /> 110 2nd Avenue South PD7 Pacheco CA 94553-5560 <br /> McCampb�ll Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http llwww mccampbell corn E mad marn@mccampbell Com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0312159 <br /> I <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9601 Spiked Sample ID 0312159-007B <br /> Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L. pglL % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 859 854 0 493 857 843 1 62 70 130 <br /> t-Butyl alcohol(TSA) ND 50 889 929 445 861 978 1 88 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 110 109 120 115 112 274 70 1 130 <br /> 1,2-Dichloroethane:(1,2-BCA) ND 10 102 101 0 928 984 965 1 97 70 1 130 <br /> Dusopropyl ether(DIPS) ND 10 t03 102 0 615 975 965 1 00 70 130 <br /> 0 <br /> Ethyl tert-butyl ether(ETBE) ND 10 907 896 1 23 876 864 144 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 993 969 238 949 929 2 16 70 130 <br /> %SS 1 106 100 108 108 0 103 104 0 742 70 130 <br /> I � <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)I(Amount Spiked) RPD=100'(MS MSD)I((MS+MSD)12) <br /> .MS and/or MSD spike recovenes 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)if that specific sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform 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 /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />