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MCCampbell Analytical Inc. 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> Telephone:925-798-1620 Fax:925-798-1622 <br /> httPJ/www.mccampbell.com E-mail:gain@mccarmbell.com <br /> [A-# <br /> QC SUMMARY REPORT FOR S <br /> ' W8260B <br /> Matrix: W WorkOrder: 0307177 <br /> EPA Method: SW82308 Extraction: SW5030B BatchID:7780 <br /> Spiked Sample ID: 0307177-015B <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 94.8 96 1.25 96.8 95.4 1.47 <br /> 70 130 <br /> ' Benzene ND 10 106 109 2.94 111 111 0 <br /> 70 130 <br /> Chlorobenzene ND 10 115 114 1.39 117 116, 0.640 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 125 123 1.13 124 126 1.76 70 130 <br /> ' 1,2-Dichloroethane(1,2-DCA) 20.01 10 NR NR <br /> NR 107 105 1.42 70 130 <br /> 1,1-Dichloroethene ND 10 101 99.8 0.792 99.9 102 1.80 70 130 <br /> Diisopropyl ether(RIPE) ND 10 104 105 1.53 106 105 0.405 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 92.1 93.9 1.94 93.3 93.5 0.221 70 <br /> 130 <br /> ' Methyl-t-butyl ether(MTBE) ND 10 95.9 97.3 1.44 98.1 96.7 1.43 70 <br /> 130 <br /> Toluene ND 10 109 110 1.45 116 114 1.46F7O <br /> 130 <br /> ' Trichloroethene ND 10 107 108 1.31 109 110 0.456 <br /> 130 <br /> %SS1: <br /> 103 100 99.6 99.6 0 93.4 93 0.489 70 130 <br /> %SS2: <br /> ' 99.5 100 100 99.5 0.430 98.5 99.7 1.26 70 130 <br /> ��%.�SS3: <br /> 118 100 98 97.7 0.301 99.8 104 3.91 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 amp <br /> Control Sample;LCSD=Laboratory Control <br /> Deviation. Sample Duplicate;RPD=Relative Percent <br />' <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 mav occasionally appear in the method blank at low levels. <br />