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IID 2nd Avenue SDu Ili,PD7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-799-1622 <br /> Website:www.mccarnpbell.coni E-mail:main•`6mccaniphell-com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix: W WorkOrder: 0405430 <br /> EPA Method: SW8260B Extraction: SW5030B BatchlD: 11706 Spiked Sample ID: 0405430-00113 <br /> Sample Spiked MS' - MSD' MS-MSD' LCS LCSDLCS-LCSD Acceptance Criteria(%) <br /> pg/L pglL % Rec. %Rec. % RPD % Rec. % Rec. %RPD Low High <br /> tett-Amyl methyl ether(TAME) ND 10 95.3 92.3 3.16 92.4 1 l3 20.3 70 130 <br /> Benzene ND 10 114 114 0 112 1152.44 70 130 <br /> I <br /> t-Butyl alcohol(TBA) ND 50 98,4 97.1 1.39 99.7 102 2.34 70 130 <br /> Chlorobenzenc ND 10 101 99.1 1.60 101 j 102 1.21 70 130 <br /> 1,2-1)ihromocthane(EDB) ND l0 106 106 0 105 119 11.9 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 t20 118 1,60 118 124 5.09 70 130 <br /> l,l-Dichloroethene ND 10 104 106 1.75 106 104 1.65 70 130 <br /> Diisopropyl ether(D1PE) ND 10 126 125 1.03 122 l23 1.17 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 106 105 1.66 106 119 12.3 70 130 <br /> Methyl-t-butyl ether(MTBE) 2.33 10 105 103 1.52 98.9 118 17.6 70 130 <br /> Toluene ND 10 114 115 0.907 115 112 2.31 70 130 <br /> w Trichloroethene ND 10 85.4 86.2 0.907 849 86.1 1 1.45 70 130 <br /> %S51: 83.4 10 101 100 0.548 99.6 104 4.63 70 t30 <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-10D'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)!((MS+MSD)!2) <br /> "MS and!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 diiuted due to high matrix or <br /> analyte content. <br /> 11-aboratory extraction solvents such as meth leve chloride and acetone may occasionally appear in the method blank at low levels, <br /> DHS Certification No. 1644 �- QA/QC Officer <br />