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i <br /> I]0 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Tclephonz 925 798-2620 Fax 925-798-1622 <br /> Website www mccampbell cont E mad inain@mccampbell cum <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0405479 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 11750 Spiked Sample ID 0405475-003B <br /> Sample Spiked MS' MSD' MS-MSW LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pglL pg/L % Rec %Rec % RPD % Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 91 1 861 567 871 903 3,57 70 130 <br />' Benzene 4230 10 NR NR NR 115 110 4 17 70 130 <br /> t-Butyl alcohol(TBA) ND 50 94 3 93 1 121 9119 958 1 10 70 130 <br /> Chlorobenzene ND 10 99 101 177 104 103 163 70 130 <br />' I,2-Dibromoethane(EDB) ND 10 100 102 194 968 105 799 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 109 112 2 69 105 111 5 83 70 130 <br /> 1,1-Dichloroethene ND 10 102 101 0501 112 103 878 70 130 <br /> 1 <br /> Dnsopropyl ether(DIPE) ND i0 114 115 1 38 115 117 1 60 70 130 <br />' Ethyl tort-butyl ether(ETBE) ND 10 97 9 998 190 95 9 101 4 81 70 130 <br /> Methyl-t-bury]ether(MTBE) ND 10 92 923 0 310 87 9 957 853 70 130 <br />' . Toluene ND 10 114 115 0 544 121 115 459 70 130 <br /> Trichloroethene ND 10 83 7 85 1 57 906 85 4 5 93 70 130 <br /> %SS 1 98 5 1 10 964 966 0 213 964 948 164 70 130 <br /> All target compounds to the Method Blank of this extraetton batch were ND less than the method RL with the following 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)1(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 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 /> N/A=not enough sample to perform matrix 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 /> Laboratory 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 /> r <br />