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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hap/lwww mccampbell com E-mail maui@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> BatchiD 2363 Matrix W WorkOrder 0206149 <br />' EPA Method SW8260B Extraction SW503013 Ext Date 6110/02 Spiked Sample ID 0206133-011B <br /> Sample Spiked MS- MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Diisopropyi ether(DIPE) ND 10 949 93 1 191 107 109 21 70 130 <br /> Ethyl cert-butyl ether(ETBE) ND 10 90 8 1111 302 102 103 11 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 794 761 430 862 867 061 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 874 84 395 972 99 1 8 70 130 <br />' %SS 995 10 995 98 153 991 998 073 70 130 <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 />�i <br /> 1 <br /> 1 } <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matnx 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,or analyte concentration in sample exceeds spike amount. <br /> %Recovery=109-(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> 1 "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 /> 1 <br /> 1 <br />