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' 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical hic Telephone 925-798-1620 Fax 925 798-1622 <br /> I httpJ/www mccarnpbell com E mail mom mccampbell coon <br /> 1 <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0309482 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8688 Spiked Sample IQ 0309452-009B <br /> Sample Spiked MS' MSD" MS-MSD" 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 10 101 103 1 54 108 107 0 972 70 130 <br /> Benzene ND 10 114 114 0 115 114 109 70 130 <br />' t-Butyl alcohol(TBA) ND 50 106 108 1 26 126 122 3 11 70 130 <br /> Chlorobenzene ND 10 112 112 0 116 116 0 70 130 <br />' l,l-Dichloroethene ND 10 110 108 146 112 109 275 70 130 <br /> Dusopropyl ether(RIPE) ND 10 108 113 3 97 119 118 0 899 70 130 <br />' Ethyl tent-butyl ether(ETBE) ND 10 102 104 260 106 105 0 942 70 130 <br /> Methyl-t-butyl ether(MTBE) 152 10 107 109 1 96 114 114 0 70 130 <br /> 1 Toluene ND 10 114 114 0 129 127 122 70 130 <br /> Tnchloroethene ND 10 104 102 156 103 102 102 70 130 <br /> %SSI 107 100 115 115 0 100 993 108 70 130 <br />' %SS2 101 100 98 7 99 0 275 102 101 00734 70 130 <br /> %SS3 101 L00 107 106 0 388 996 995 00697 70 I 130 <br /> All target compounds to 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 />' <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD= 100'(MS—MSD)I(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 /> NIA=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 />