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1 <br /> Inc. 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, I1 Telephone 925-798-1620 Fax 925 798-1622 <br /> lie <br /> Website www mccampbetl corn E mail mamQmccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W 0 Sample Matrix Water QC Matrix Water WorkOrder 0412559 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 14518 Spiked Sample ID 0412559-009C <br /> Analyte Sample Spiked MS* MSD" MS-MSlD*1 LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pgIL pg1L % Rec % Rec % RPD % Rec % Rec %RPD MS/MSD LCS 1 LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 896 899 0 290 927 927 0 70- 130 70 130 <br />' t-Butyl alcohol(TBA) ND 50 928 91 4 l 60 95 l 92 1 3 19 70- 130 70-130 <br /> 1 2-Dibromaethane(EDS) ND 10 116 118 0 960 118 119 0 709 70- 130 70-130 <br />' 1,2_Dichlomethane(1 2-DCA) ND _ 10 113 114 0 316 115 116 0111 711- 111 70- 1311 <br /> Dusoptopyl ether(DIPS) ND 10 115 116 1 34 116 116 0 70-130 70- 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 105 105 0 106 108 1 28 70-130 70-130 <br />' Methyl-t-butyl ether(MTBE) ND 10 107 110 2 86 115 112 201 70- 130 70- 130 <br /> %SSI 103 10 98 100 1 73 98 97 0 858 70- 130 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 /> NONE <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)/(Amount Spiked) RPD=100*(MS- MSD)I((MS*MSD)1 2) <br /> "MS 1 MSD spike recoveries and 1 or%RPD may fail outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains ssgn ficant 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 /> l <br /> DHS Certification No 1644 QA/QC Officer <br />