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1102nd Avenue South 9D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Tetephone 925 798 1620 Fax 925-798-1622 <br /> bttp//www mccampbei!com E mai] mom u(�jnccampbeli com <br /> QC SUMMARY REPORT FOR SW8260B <br /> i <br /> Matnx W WorkOrder 0304378 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 6689 Spiked Sample ID 0304434-001C <br /> Compound Sample Spiked MS" MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pgIL %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> Ditsopropyl ether(DIPS) ND 10 123 125 1 79 112 111 1 22 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 113 114 120 103 101 234 70 130 <br /> Methyl-t-butyl ether(MTBE) 3 934 10 119 124 281 109 102 624 70 130 <br /> ter[-Amyl methyl ether(TAME) ND 10 102 106 327 103 963 689 70 130 <br /> IEthanol ND 500 118 896 273 934 112 185 70 130 <br /> Methanol ND 2500 967 103 603 109 104 467 70 130 <br /> 12-Dibromoethane(EDB) ND 10 125 124 0 679 114 119 404 70 130 <br /> 1,2-Dichloroethane(112-DCA) ND t0 127 129 131 108 110 181 70 130 <br /> %SS 107 100 111 112 0 582 102 995 236 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 /> I <br /> 1 <br /> I <br />` MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> I Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS--MSD)I(MS+MSD)'2 <br /> I -MS and I or MSA 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 /> NIA=not enough sample to perform matrix spike and motnx spike duplicate <br /> NR=anaiyte 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 meth tene chloride and acetone may occasionally appear in the method blank at low levels <br /> I <br />