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_J <br /> 110 2nd Avenue South,4137,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> Website:www.mccampbelLcom E-mail:main a mccampbelLcom <br /> Aj <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix: S WorkOrder: 0405449 <br /> EPA Method: SW8260B Extraction: SW5030B - BatchlD:11734 Spiked Sample ID: 0405487-001A <br /> Sample Spiked MS* MSD* !MS-MSD LCS LCSD ,LCS-LCSD Acceptance Criteria(%) <br /> pg/Kg pg/Kg %Rec. %Rec %RPD %Rec. %Rec. %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 50 87.7 91.9 I 4.68 97.3 90.8 1 6.96 70 130 <br /> Benzene ND 50 109 109 l 0 108 107 1 0.987 70 130 <br /> t-Butyl alcohol(TBA) ND 250 92.8 101 8.10 118 92 24.9 70 130 <br /> Chlorobenzene ND 50 103 98.9 3.65 100 100 0 70 130 <br /> 1.2-Dibromoethane(EDB) ND 50 102 106 3.51 112 100 1 10.7 70 130 <br /> 1,2-Dichloroethane(1.2-DCA) ND 50 103 110 6.60 115 103 10.8 70 130 <br /> 1.1-Dichloroethene ND 50 103 101 1.90 100 102 I 2.11 70 130 <br /> Diisopropyl ether(DIPE) ND 50 112 116 3.82 119 112 5.98 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 50 97.6 103 I 5.31 108 98.5 9.47 70 130 <br /> Methvl-t-butyl ether(MTBE) ND 50 92.8 98.96.34 105 92.4 13.1 70 130 <br /> Toluene ND 50 114 109 I 4.12 109 1 114 4.15 "70 130 <br /> Trichloroethene ND 50 87.1 84.9 I 2.62 85.9 I 85.1 0.988 70 130 <br /> %SSI: 94.6 50 95.6 99.5 4.01 102 I 93.2 8.67 70 130 <br /> %SS2: 106 50 110 107 i 2.31 107 I 110 2.94 70 130 <br /> %S$3: 108 50 115 114 + 1.27 111 ( IIS 2.99 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 /> 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);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 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 <br /> ' �QA/QC Officer <br />