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I1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCa pbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> httpJlwww mcrampbell cum E-mail main rr mccampbell cam <br /> E4• QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312306 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 9720 Spiked Sample ID 0312312-011B <br /> Sample Spiked MS* MSD' MS-MSD LCS LCSD iLCS-LCSD Acceptance Catena(%) <br />' pgIL pg1L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 967 925 863 [98 5 98 8 0 307 70 130 <br /> t-Butyl alcohol(TBA) NDF1O <br /> 119 114 196 108 104 3 78 70 130 <br />' 1 2-Dibromoethane(1~1)13) ND 111 116 147 111 112 128 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 123 101 4 13 106 105 1 07 70 130 <br />' Dusopropyl ether(D1PE) ND 10 128 972 119 987 991 0 471 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 114 101 444 977 976 00968 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 120 117 115 956 951 0 511 70 130 <br /> %SS 1 104 100 103 964 F 3 00 99 98 b 0 365 70 130 <br />' <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> lie <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)I(Amount Spiked) RPD=100*(MS- MSD)I((MS+MSD)12) <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)d that specific sample matnx 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 /> 1 analyte content <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />