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i <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc I Telephone 925-798-1620 Fax 925-798-1622 <br /> http!/www mccampWl coin E-mail main r@-ccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0210002 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 4216 Spiked Sample ID 0209510-008B <br /> Sample Spiked MS" MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ipg/L pg/L %Rea % Rea %RPD I %Rea %Rea %RPD Low High <br /> Dusopropyl ether(D1PE) ND 10 921 953 339 918 903 1 64 70 130 <br /> I Ethyl tert-butyl ether(ETBE) ND 10 964 996 327 91 1 897 150 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 984 104 566 88 886 0 726 70 130 <br /> tent-Amyl methyl ether(TAME) ND 10 104 104 00258 922 927 0 509 70 130 <br /> 0/ass 102 100 104 105 119 101 991 214 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 /> I <br /> 1 <br /> 1 <br /> I <br /> MS=Matrix Spike MSD=Matnx 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 matnx or sample diluted due to high matrix or <br />' analyte content <br /> %Recovery=100'(MS-Sample)!(Amount Spiked) RPD=900`(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 matrix interferes with spike recovery <br />