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I110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical IncTelephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell com E mail mai r@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0302377 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6014 Spiked Sample ID N/A <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> NgIL pglt % ReG %ReG %RPD %Rae %ReG %RPD Low High <br /> Benzene N/A 10 NIA N/A NIA 104 104 00655 70 130 <br />' tert-Amyl methyl ether(TAME) NIA to NIA N/A N/A 93 7 933 0 412 70 130 <br /> Methyl-t-butyl ether(MTBE) N/A to N/A N/A NIA 102 103 0 565 70 130 <br /> Toluene N/A 10 N/A N/A NIA 97 1 959 t31 70 — 130 <br />' Dusopropyl ether(RIPE) N/A 10 NIA NIA NIA 105 106 0 486 70 130 <br /> Ethyl tert-butyl ether(ETBE) N/A 10 N/A NIA N/A 101 101 0 230 70 130 <br />' a/°5S1 NIA 100 N/A N/A N/A 104 103 146 70 130 <br /> %SS2 N/A 100 N/A N/A N/A 112 111 0 923 70 130 <br /> %SS3 NIA 100 N/A N/A NIA 971 977 0 600 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <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 matrix or sample diluted due to high matrix or <br />' analyte content <br /> %Recovery=100"(MS-Sample)/(Amount Spiked),RPD=100'(MS--MSD)I(MS+MSD)"2 <br /> .MS and/or MSD spike recoveries may not be near t o0%or the RPDs near 00%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 />