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t <br /> 110 2nd Avenue South,9D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925 798-1622 <br />' http//www mccampbetl coin E-mail main r(D nccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> t <br /> Matrix W WorkOrder 0208476 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 3706 -- Spiked Sample ID 0208475-0468 <br /> Compound <br /> Sample Spiked MS' MSD` MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria{%) <br />' Ng/L Ng/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(DIPE) ND 10 104 I08 3 86 103 106 235 70 130 <br />' Fthyl tert-butyl ether(ETBE) ND 10 110 114 352 104 106 197 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 121 124 226 107 110 352 70 130 <br />' tert-Amyl methyl ether(TAME) ND 10 114 118 330 105 106 142 70130 <br /> %SS 102 100 103 103 00626 100 100 000468 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 /> I <br /> I <br /> I MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte 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 /> %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 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 />