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1 <br /> FA# McCain bell Anal cal Inc10 2nd Avenue South #i!D7 Pacheco,CA 94553-5560 <br />' -ampbell nc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbe11 com E-mail main@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303416 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6303 Spiked Sample ID WA <br />' <br /> Compound Sample Spiked MS" MSD" MS-MSD' LCS. LCSD LCS-LCSD Acceptance Criteria(%) <br /> P92 I Ng/L °,% Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Methyl-t-butyl ether(MTBE) N/A 10 NIA N/A N/A 995 105 552 70 130 <br />' "�csS I N/A 100 N/A N/A N/A 899 902 0 330 70 130 <br /> All target compounds in the Method BIank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> r <br /> t <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 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhornogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery <br />