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1 <br /> 110 2nd Avenue South OD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http Ilwww mccampbell com E-mail mom ccampbell wm <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0207222 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 2992 Spiked Sample ID 0207221-005B <br /> Compound Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> }tg/L trg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 113 106 594 116 116 0 710 70 130 <br />' Methyl-t-butyl ether(MTBE) 1 309 10 111 104 616 121 119 2 f9 70 130 <br /> Dusopropyl ether(DIPE) ND 10 114 109 397 127 124 261 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 112 107 443 124 123 1 05 70 130 <br /> %SSI 108 100 105 105 0 463 856 848 0 885 70 130 <br /> I <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NOME <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 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)I(Amount Spiked) RPD=100'(MS—MSD)/(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 /> analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br />