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1 110 2nd Avenue South lf177 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http#www mccampbell corn E mail matn@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0307005 <br /> i <br /> EPA Method SW8260B Extraction SW5030B BatchlD 7638 Spiked Sample ID 0307002-0108 <br /> Sample Spiked MS' MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(°h) <br /> 3 <br /> ' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 918 903 169 97 954 167 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 122 120 172 128 126 193 7Q 130 <br /> ' 1,2-Dichloroethane(1,2-DCA) ND 10 114 112 165 116 115 105 70 130 <br /> Dusopropyl ether(DIPS) ND 10 105 104 0 530 108 106 148 70 130 <br /> ' Ethyl tent-butyl ether(ETBE) ND 10 928 914 145 98 1 949 327 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 992 96 333 106 102 372 70 130 <br /> %SS 1 t 120 100 769 757 1 155 795 773 1 278 70 I 130 <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 /> 10 <br /> 1 <br /> 1 � <br /> MS=Matnx 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)*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 sod matrix or exceeds lac 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 law levels <br />