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1 10 2nd Avenue South #D7 Pacheco CA 94551 3:)60 <br /> McCampbcll Analytical, Inc. Telephone 92.)-798 1620 Fax 925-798 1622 <br /> J Webwe www mecampbell coin E ma,) main a mec.ampbell coin <br /> I <br /> ,! QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0408256 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 12845 Spiked Sample ID 0408351-002B <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> pglL pg/L %Rec % Rec %RPD %Rec %Rec %RPD Low High <br />' tert Amyl methyl ether(I AME) ND 10 839 817 2 77 874 S64 1 13 70 130 <br /> t-Butyl alcohol(TBA) ND 50 93 8 1116 161 145 119 111 70 130 <br />' Dusopropyl ether(DIPE) ND 10 113 112 1 39 116 112 388 70 130 <br /> Ethyl tert-butvl ether(ETRE) ND 10 105 103 280 109 104 480 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 101 99 1 65 104 974 666 70 130 <br /> %SSI 106 10 107 107 0 104 102 1 70 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the tollowma exceptions <br /> NONE <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Devtation <br /> %Recovery=100•(MS-Sample)!(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)/2) <br /> 'MS/MSD spike recoveries and I or%RPD may fall outside of taboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked orb)the spiked samples matrix interferes with the spike recovery <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 /> . Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />