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I t0 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> F4 McCarnpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> h !lwww mccam bel]com E-mail mam ccam bell com <br /> QC SUMMARY REPORT FOR SW8260B - <br /> Matrix W WorkOrder• 0309280 <br /> EPA Method SW8260B Extraction SVV5030B BatchlD 8543 Spiked Sample ID 0309280-004C <br /> Sample Spiked MS* MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br />' pg/L pg/L % Rec % Rec % RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 913 909 0 475 902 867 3 92 70 130 <br /> t-Butyl alcohol(TBA) ND 50 827 812 179 83 818 142 70 130 <br /> 1,2-Drbromoethane(EDB) ND i0 110 110 0 106 108 1 38 70 130 <br />' 1,2-1Drchloroethane(1,2-DCA) ND 10 106 105 0 874 105 104 0 974 70 130 <br /> Dnsopropyl ether(DIVE) ND 10 982 988 0 662 98 994 1 39 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 908 902 0 610 $84 89 1 0 746 70 130 <br /> 1 Methyl-t-butyl ether(MTBE) ND 10 89 7 917 222 912 905 0 746 70 130 <br /> %SSI 108 100 117 120 259 104 106 1 69 70 130 <br /> 1 All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <br /> li <br /> 1 <br /> 1 <br /> 1 <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)/(Amount Spiked) RPD=100`(MS—MSD)1(MS+MSD)`2 <br /> MS and I 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 Huth 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 /> 1 <br />