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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> EMcCampbell Analytical Inc Telephone 925-798 1621) Fax 925-798 1622 <br /> ,A: http//wwwmecampb.ellcom E-mad main&ccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0307005 <br /> ' EPA Method SW6260B Extraction SW50308 BatchlD 7640 Spiked Sample ID 0307007-002A <br /> Sample Spiked MS' MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pglL pglL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tort-Amyl methyl ether(TAME) ND 10 110 114 344 115 118 239 70 I 130 <br /> 1,2-Dibramoethanc(EDB) ND 10 t15 118 222 116 118 147 7q 130 <br /> ' 1,2 Dichloroethane(1,2-DCA) ND 10 119 124 449 126 128 189 70 130 <br /> Dusopropyl ether(DIPS) ND 10 123 125 206 125 127 126 70 130 <br /> I ' Ethyl tert-butyl ether(ETBE) ND 10 109 115 593 114 118 3 51 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 112 118 5 10 117 120 255 70 l 130 <br /> ' %SS1 114 100 116 116 0 104 104 0 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 /> t NONE <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 /> %Recovery=100`(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> ' .MS and/or MSD spike recoveries may not be near 100%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)if that specific sample matrix interferes with spike recovery <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 /> I ' Laboratory extraction solvents such as methylene chloride and acetone may occasional appear in the method blank at low levels <br /> 1 <br />