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I]0 2nd Avenue South #B7 Pacheco CA 94553-5560 <br /> F4 <br /> McCalxlpbell Analytical Inc Telephone 925-798 1620 Fax 925-798 1622 <br />' hap I/www mccamphell com E-mail main@mccamphell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312207 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 9647 Spiked Sample ID 0312207-011C <br /> Sample Spiked MS* MSD' MS-MSD LCS LCSD !LCS-LCSD Acceptance Criteria(%) <br /> pg/L NgIL %Rec %Rec %RPD %Rec %Rec i % RPD Low High <br /> tert-Amyl methyl ether('TAME) ND 10 882 92 421 899 81 8 946 70 130 <br />' t=Butyl alcohol(TBA) ND 50 777 771 0 776 822 789 415 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 114 114 0 112 109 249 70 130 <br /> 1,2-Dtchloroetltane(1,2-DCA) ND 10 115 117 201 111 1038 09 70 130 <br />' Dusopropyl ether(DIPS) ND 10 120 123 284 113 IN 10 3 70 I 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 966 995 291 967 88 7 873 70 130 <br />' Methyl-t-butyl ether(MTBE) AFD 10 95 977 285 979 $92 933 70 130 <br /> %S51 108 100 113 115 1 82 97 928 437 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 /> NONL <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)12) <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPI)s 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 sod 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 chlonde and acetone may occasionally appear in the method blank at low levels <br />