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' 110 2nd Avenue South,llD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/twww mccampbell com E mail main@mccarnpbelt corn <br />' 1 v <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0303189 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6153 Spiked Sample ID 0303190-001C <br /> Sample Spiked MS* MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pglL pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(RIPE) ND 10 961 91 8 461 108 106 133 70 t30 <br />' Ethyl tert-butyl ether(ETBE) ND 10 907 1154 604 101 102 1 16 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 88 815 767 108 108 0 281 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 993 925 7 13 100 106 565 70 13D <br />' %SS 958 loo 973 93 8 371 110 107 253 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> I II <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 /> 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)I(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 />