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110 2nd Avenue South tlD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-799-1622 <br /> http!lwww mccampbell coin E-mail maina mccampbel!coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0209197 <br /> EPA Method SW8260B Extraction SW50308 BatchlD 3947 Spiked Sample ID 0249181-001A <br /> Sample Spiked MS' MSD' MS-MSD- LCS ' LCSD LCS-LCSD'Acceptanoe Criteria(%) <br /> Compound - -- - —- - <br /> pglL pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> ten-Amyl methyl ether(TAME) ND t0 103 992 374 984 99 0 595 70 130 <br /> Dttsapropyl ether(DIPE) ND 10 104 100 I'll 100 100 0 128 70 130 <br /> Ethy I ten-butyl ether(ETBE) ND 10 103 100 276 102 102 0 123 70 130 <br /> Methyl-t-butvt ether(MTBE) ND 10 105 128 194 104 104 0 127 _ 70 130 <br /> %SSI 109 100 106 103 302 x100 101 0206 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration 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 /> %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)if that specific sample matrix interferes with spike recovery <br />