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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 /> httpJ/www mccampbeft com E-mail matn@mceamgbe0 coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0209316 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 4059 Spiked Sample ID 0209302-001A <br /> Sample Spiked MS- MSD- MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(96) <br /> Compound <br /> P9& Ng/L %Rec %Rec %RPD %Rex %Rec %RPR Low High <br /> Methyl-t-butyl ether(M f BE) it 35 10 110 104 266 106 117 984 70 130 <br /> °/wSSi 109 too 106 106 000777 104 106 122 70 130 <br /> Aft target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> r <br /> r � <br /> i <br /> t <br />' MS=Matrix Spike MSD=Matt,Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> tllA=not enough sample to perform matrix spike and matrix spike duplicate <br /> IR=analyte concentration in sample exceeds spike amount for sal matrix of exceeds 2x spice amount for water matrix or sample diluted due to high matrix or <br /> nalyte content <br /> %Recovery=100`(MS-Sample)f(Amount Spiked),RPD=100'(MS—MSD)!(MS t MSD)'2 <br /> MS and/or MSD spoke recoveries may not be near 100%or the RPDs near 0°/,it a)the sample is inhomogenous AND contains sgntficant concentrations of <br />' analyte relative to the amount spiked or b)d that specific sample matnx interferiea with spike recovery <br />