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' 110 2nd Avenue South 1177,Pacheco CA 94553-5560 <br /> 1 _4McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br />' httpl/www mccampbell cam E-mail mam rr mccampbeli com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix S WorkOrder 0210228 <br />' EPA Method SW82608 Extraction SW5030B BatchlD 4407 Spiked Sample ID 0210236-006A <br /> Sample Spiked MS* MSD' MS-MSD' LCS I LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' lag/Kg pg/Kg % Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> Benzene ND 50 106 108 2 19 109 115 505 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 50 106 110 4 00 106 112 5 72 70 130 <br /> Toluene ND 50 101 101 0 131 103 111 6 84 70 130 <br /> °/w5S i 924 100 103 105 197 94 2 91 W 338 70 130 <br />' %SS2 100 100 101 101 0 442 101 97 8 3 20 70 130 <br /> %SS3 105 100 947 95 5 0 868 997 92 1 784 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=Matrix Spike MSA-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 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 /> %Recovery=100"(MS Sample)/(Amount Spiked) RPD=100'(MS W MSD)/(MS+MSD)•2 <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%it 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 />