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110 2nd Avenue South,HD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> 1 http I/www mccampbeli com E-mail rnainqrnccianpbelt cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder• 0303282 <br />' EPA Method SW8260B Extraction SW5030B Batch1D 6203 Spiked Sample ID N/A <br /> Compound Sample Spiked MS' MSD- MS-MSD' LCS LCSD LCS-LCSD Acceptance Critena(%) <br />' lig/L pg/L %Rec %Rec %RPI? %Rec %Rec %RPD Low I high <br /> tert-Amyl methyl ether(TAME) N/A to N/A N/A N/A 101 too 0 701 70 130 <br />' Methyl-t-butyl ether(MTBE) N/A 10 NIA N/A N/A 998 948 508 70 130 <br /> Dusopropyl ether(DIPS) N/A l0 N/A N/A N/A 101 981 269 70 130 <br /> Ethyl tert-butyl ether(ETBE) N/A 10 NIA N/A N/A 928 919 0 914 70 130 <br /> N/A 100 NIA NIA I N/A 983 972 109 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 /> lie <br /> f <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> IDewaLon <br /> . NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte 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 /> I anatyte content <br /> %Recovery=100"(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD)'2 <br /> MS and I 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 /> r analyte relative tothe amount spiked or b)if that specific sample matrix interferes with spike recovery <br />