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110 2nd Avenue South 4M Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1420 Fax 925 798-1622 <br /> http//www mccampbalt corn E-mail main®mccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208372 <br /> IEPA Method SW8260B Extraction SW5030B Batch1D 3610 Spiked Sample ID 0208347-005B <br /> Sample Spiked MS" MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ug/L WgIL %Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> Dilsopropyl ether(DIPS) ND 10 114 116 198 112 114 160 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 112 114 196 114 116 171 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 114 118 336 119 121 149 70 130 <br /> tert-Amyl methyl ether(TAME) ND LO 113 1 Its 150 115 117 142 70 t30 <br /> All target compounds m 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 /> N!A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentratton in sample exceeds spice amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD m 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 />