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110 2nd Avenue South,4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> Ihup Rwww mccampbell com E-mail mai r mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0208025 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 3289 Spiked Sample ID 0208025-006B <br /> Sample Spiked MS* MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> NgIL pgIL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> terL-Amyl methyl ether(TAME) ND 10 109 108 0 243 114 113 0 844 70 130 <br /> Methyl t-butyl ether(MTBE) ND 10 105 105 0 167 108 108 0 571 70 130 <br /> Dusopropyl ether(DIPE) ND 10 106 108 211 124 122 109 70 130 <br /> Ethyl ter,-butyl ether(ETBE) ND 1 D 111 111 0 287 118 118 00644 70 130 <br /> %SSI 105 100 102 101 100 975 948 2 75 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 /> I <br /> I <br /> I <br /> I <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 /> I analyte content <br /> %Recovery=140-(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)1(MS+MSD)*2 <br /> MS and 1 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 /> Ianalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />