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110 2nd Avenue South OW Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> http Ilwww mccamphell corn E-mail mat r@mccampbell cam T <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0206457 <br /> 1 EPA Method SW8260B Extraction SW50303 BatchlD 3670 Spiked Sample ID NIA <br /> Sample Spiked MS- MSD' MS-MSD" LCS � LCSDLCS-LCSD Acceptance Criteria(%) <br /> Compound _ --- High_ _ <br /> ' pg/L 11g/L % Rec %Rec %RAD I % Rec %Rec %RPD Low High <br /> Dnsopropyl ether(DIPS) N/A 10 N/A NIA NIA 972 104 7 12 7n 130 <br /> Ethyl tert-butyl ether(ETRE) NIA 10 N/A N/A NIA 967 103 622 70 130 <br /> Methyl-t-butyl ether(MTBE) NIA 10 NIA N/A N/A 100 108 772 I 70 130 <br /> tert-Amyl methyl ether(TAME) N/A 10 N/A N/A N/A 985 101 269 — 70 130 <br /> ' %53 N/A 100 N/A N/A N/A 101 98 — 254 70 I 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 /> 1 <br /> 1 <br /> MS=Matrix 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 and matrix spike duplicate <br /> NR=analyte 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 /> ' analyte 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 concentrabons of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />