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-T <br /> 110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-799-1620 Fax 925-798-1622 <br /> http/hvww tricc bell cam E-mail mam@mccHMbcI1 com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0306423 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 7447 Spiked Sample ID 0306423-002B <br /> Sample Spiked MS* MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Critena <br />' pg/L Ng/L % Rec % Rec %RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 105 954 915 964 95 1 131 70 130 <br />' 1,2-Dibromoethane(EDB) ND 10 130 124 425 128 127 0 836 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 113 102 10 l 102 104 205 70 130 <br /> Dusopropyl ether(DIPE) ND 10 116 106 925 108 108 0 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 103 93 103 96 1 962 0 119 70 130 <br /> Methyl-t-butyl ether(MTBE) ND to 104 944 932 103 104 0 574 70 130 <br />' %SS 1 114 100 103 100 2 69 974 104 646 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 /> 1 <br /> 1 <br /> MS=Matnx Spike MSD=Matrix Spike Duphcate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Rotative Percent <br />' Deviation <br /> %Recovery=100'(MS-Sample)!(Amount Spiked) RPD=100"(MS—MSD)/(MS+MSD)`2 <br /> MS and/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 soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br />' analyte content <br /> Laboratory extraction solvents such as methylene chloride and acetone may o=sionafly aepear in the method blank at low levels <br />