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l <br /> 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> I <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925-798-1622 <br /> Website www mccampbell com E-marl main@mccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0405225 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11654 Spiked Sample ID 0405237-003A <br /> Sample Spiked MS` MSD' MS-MSD- LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg1L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Law High _ <br /> tert-Amyl methyl ether(TAME) ND 10 89 917 300 864 826 451 70 130 <br /> t-Butyl alcohol(TBA) ND 50 861 894 372 822 849 3 17 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 102 105 302 100 881 127 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 110 114 352 994 100 0 827 70 130 <br /> Dusopropyl ether(DIPE) ND 10 120 124 3 18 107 104 341 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 102 105 265 96 91 7 454 70 130 _ <br /> Methyl-t-butyl ether(MTBE) ND 10 962 992 298 938 93 3 0 585 70 130 <br /> %SS2 974 10 106 106 0 101 95 3 �27 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100.(MS-Sample)/(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 RADS 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 /> NIA=not enough sample to perform matruc 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 /> analyte content <br /> 11-aboratary extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />