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Inc. 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, ITelephone 925 798 1620 Fax 925-798 1627 <br /> 4 Websve www mccampbell corn E mail enainQmccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0404203 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11116 Spiked Sample ID 0404203-003C <br /> Sample Spiked MS' MSD' EMS-MSD -LCS - LCSD .LCS-LCSD Acceptance Criteria(%) <br /> pglL pglL % Rec %Rec % RPD %Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 936 947 1 18 894 926 350 70 130 <br /> t-Butyl alcohol(TBA) - ND 50 90 - 897 0 317 831 804 335 70 130 <br /> I 2-Dibromoethane(EDB) - - --ND 10 968 983 i---1 56 Y 102 106 370 -- -70 130 <br /> 1 2-Dichloroethane(I 2-DCA) ND _ 10 108 110 I l 31 924 956 344 i 70 130 <br /> Dusopropyl ether(DIPE) ND t0 996 100 f 0 839 875 884 1 03 70 I30 <br /> Ethanol - ND - 500 99 1 109 964 944 998 167 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 949 96 <br /> 122 139 1114 110 70 130 <br /> Methanol ND `2500-- 984 997 - 1 34 - 972 - 836 928 70 130 - <br /> Methyl-t-hutvl ether(MTBE) ND 10 922 94 1 1 92 854 85 8 0 393 70 130 <br /> %SSI 101 10 963 959 i 0 430 989 977 1 15 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI-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)I(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <br /> 'MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is snhomogenous 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 matrix spike and matnx 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 /> Laboratory extraction solvents such as methytene chloride and acetone may occasionally appear In the method blank at low level-t-,, <br /> DHS Certification No 1644 QA/QC Officer <br />