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110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925-798-1622 <br /> Website www mecampbell corn E mail main n mecampbell cc u <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0409233 <br /> IEPA Method SW8260B Extraction SW5030B BatchlD 13165 Spiked Sample ID 0409230-011C <br /> Anal to Sample Spiked MS* MSD' MS-MSD* LCS LCSD ILCS-LCSD Acceptance Cnterla(%) <br /> y _ <br /> pg/L pg/L %Ret %Rec % RPD %Rec % Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 92 5 92 8 0 315 909 874 387 70 130 <br /> t-Butyl alcohol(TBA) M] 50 88 8 891 0 327 90 1 83 l 804 70 130 <br /> I 2-Dtbromoethane(EDB) ND 10 108 105 307 105 101 458 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 112 109 270 114 115 l 02 70 130 <br /> Dnsopropvl ethei (D[PF) ND 10 125 124 0 678 126 122 3 16 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND i 0 113 111 1 18 112 107 457 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 101* 102 l 68 100 966 3 85 70 130 <br /> %5S 1 112 10 101 99 l 19 974 97 0 392 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 /> I <br /> I 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)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)/2) <br /> MS/MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains signtficant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> N/A=net enough sample to perform matrix spike and matrix spike duplicate <br /> I 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 /> Laboratoa extraction solvents such as meth lend chlonde and acetone may o sionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />