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1 t 10 2nd Avenue South #D7,Pacheea CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http!lwww mccampbell coin E-mail marn@neeampbell eam <br /> • QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0211447 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 5074 Spiked Sample ID N/A <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criterta(%) <br /> Compound <br /> pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(DIPE) NIA to N/A N/A N/A 981 95 325 70 130 <br />' Ethyl tert-butyl ether(ETBE) NIA 10 N/A N/A N/A 977 982 0 505 70 130 — <br /> Methyl-t•butyl ether(MTBE) N/A 10 N/A NIA NIA 936 937 0 111 70 130 <br /> tert-Amyl methyl ether(TAME) N/A 10 N/A N/A N/A 998 955 438 70 t30 <br />' Methanol NIA 2500 NIA NIA NIA 971 99 5 226 70 130 <br /> 1,2-Dtbromoethane(EBB) NIA 10 N/A NIA N/A 938 919 1 98 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) NIA 10 N/A N/A NIA 962 961 0114 70 130 <br /> %SS NIA 100 N/A NIA NIA 876 811 1 03 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 /> 1 <br /> MS=Matrix Spike MSD=Matrix Spoke Duplicate LCS=laboratory Control Sample LCSD=laboratory Control Sample Duplicate RPD=Relative Percent <br />' Dewatron <br /> NIA=not enough sample to perform matrix spoke and matrix spike duplicate <br /> • NR=analyte concentration in sample exceeds spoke amount for soil 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)I(MS+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 10D%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> ' analyte relative to the amount spiked or b)of that specific sample matrix interferes with spike recovery <br />