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110 2nd Avenue South,tlD7 Pacheco CA 94553-5560 <br /> IcCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrnccampbcJlcorn E-mail mamQmccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0207222 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 2992 Spiked Sample ID 0207221-0058 <br /> Compound Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg1L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Cert-Amyl methyl ether(TAME) ND 10 1 l3 106 594 116 116 0 710 70 130 <br />' Methyl-t-butyl ether(MTBE) 1 309 10 I t t 104 6 16 121 119 2 19 70 130 <br /> Dnsopropyl 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 /> %SS 1 108 100 105 105 0 463 956 848 0 885 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 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)/(Amount Spiked) RPD=100.(MS—MSD)!(MS+MSD)'2 <br /> MS and/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 />