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110 2nd Avenue Seuth 9D7 Pachece,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br /> http//www mccampbell com E mail mamQmccampbell com <br /> QC SUMAJARY REPORT FOR SW8260B <br /> BatchlD 1788 Matrix W WorkOrder 0205145 <br /> EPA Method SW8260B Extraction SW5030B Ext Date 5110/02 - Spiked Sample ID 0205145-002B <br /> Sample 5plked �-%%R <br /> MSD' MS-MSD*� LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> Compound <br /> µg1L liglL -%,M/.SR %RPD %Rec %Rec %RPD Low High <br /> Dosopropyl ether(DIPS) ND 10 118 1152 38 119 122 20 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 119 115 372 120 123 20 70 130 <br /> Methyl t-butyl ether(MTBE) ND 10 112 105 665 113 117 3 5 70 130 <br /> 1 tert-Amyl methyl ether(TAME) ND 10 102 968 4 81 101 104 23 70 130 <br /> %SS 116 10 112 105 1 51 92 3 904 21 70 130 <br /> 1 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 /> lie <br /> I <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 /> N/A=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br />' %Recovery=140*(MS-Sample)1(Amount Spiked) RPD=100'(MS—MSD)/(M$+MSD)*2 <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 4%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 /> 1 <br />