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i <br /> 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hop//www mccampbell corn E mail mmn@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0211392 mm <br /> IEPA Method SW8260B Extraction '°SW503081 BatchlD 5028 Spiked Sample 1D N/A v <br /> f Compound <br /> Sample Spiked MS* MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> � <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low I High <br /> tent-Amyl methyl ether(TAME) N/A 10 N/A N/A N/A 109 111 250 70 130 <br /> Methyl-t-butyl ether(MTBE) N/A 10 N/A NIA N/A 116 117 0 920 70 130 <br /> Dusopropylether(DIPE) N/A 10 NIA N/A N/A 115 116 1 04 70 130 <br /> Ethyl Cert-butyl ether(ETBE) NIA 10 N/A N/A N/A 113 115 1 87 70 130 <br /> f %SSI N/A 100 N/A N/A NIA 103 101 189 70 130 <br /> AI)target compounds to the Method Blank of this extraction batch were ND less than the method R1.with the following exceptions <br /> I NONE <br /> I <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=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)I(Amount Spiked),RPD=100*(MS—MSD)/(MS+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 1006/6 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)d that specific sample matrix interferes vnth spike recovery <br />