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' 110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> lie <br /> httpJhvww meta bell com E-mail roam mecaml)Ml coin - <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W Work0rder 0309318 <br />' EPA Method SW8260B Extraction SW50308 BatchlD 8578 Spiked Sample ID 0305318-012C <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD I CS-LCSD Acceptance Cntena(%} <br /> Pg/L pg/L % Rec % Rec %RPD %Rec %Rec %RPD tow High <br /> tort-Amyl methyl ether(TAME) ND 10 884 90 I 198 969 859 120 70 130 <br />' t-Butyl alcohol(TBA) ND 50 93 6 957 217 94 906 366 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 115 117 1 77 123 113 840 70 130 <br /> 1,2-13tchloroethane(1,2-DCA) ND 10 ill 109 1 86 119 104 129 70 130 <br />' Dnsopropyl ether(D1PE) ND 10 106 103 268 114 986 144 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 949 92 3 14 992 882 118 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 973 96 1 126 101 91 99 24 70 130 <br /> %SS2 107 100 987 963 254 965 977 1 25 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=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br />' Deviation <br /> %Recovery=10o*(MS-Sample)/(Amount Spiked) RPD=100*(MS-MSD)I(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 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 /> ILaboratory extraction solvents such as meth ene chlonde and acetone may occasionally appear in the method blank at low levels <br />