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' 110 2nd Avenue South,l}D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccampbeltcom E matt main@mcampbell coni <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0403246 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 10771 Spiked Sample ID 0403242-011C <br /> Sample Spiked MS' MSD' MS-MSD" LCS I LCSD LCS-LCSD Acceptance Criteria(%) <br /> hg/L pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAMC) ND l0 104 104 0 102 104 187 70 130 <br /> Benzene ND 10 122 125 2 50 121 122 0545 70 130 <br />' t-Butyl alcohol(TBA) ND 50 858 792 797 80 2 788 1 73 70 130 <br /> Chlorobenzene ND t0 100 104 390 105 107 1 27 70 130 <br />' 112-Dibromoethane(EDB) ND 10 98 2 100 1 83 97 9 995 162 70 130 <br /> 1,2-Dichloroethanc.(1,2-DCA) ND 10 115 116 1 19 114 115 1 46 70 130 <br />' 1,1-Dtchloroethene ND 10 92 95 2 340 768 77 3 0 732 70 130 <br /> Dusopropyl ether(DIPS) ND t0 108 112 2 92 106 108 1 80 70 130 <br />' Ethyl tent-butyl ether(ETBE) ND 10 996 102 1 99 98 2 101 249 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 962 98 1 80 94 3 952 0 982 70 130 <br /> Toluene ND t0 105 110 5 11 999 101 142 70 130 <br /> Trichloroethene ND 10 80 2 82 2 16 799 81 138 70 130 <br /> %SSI 104 10 102 102 0 96 2 95 4 0 810 70 130 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the fol[owing exceptions <br /> NONE <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 /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPO=100"(MS- MSD)/((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 spectftc sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform matnx 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 /> 1 analyte content <br /> Labaratonf 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 />