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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrnccampbellcom E-mail mam@nccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W Workorder 0312306 <br />' EPA Method SW82608 Extraction SW5030B BatchlD 9718 Spiked Sample ID 0312300-002C <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 10 100 102 1 79 882 91 1 3 22 70 130 <br />' t-Butyl alcohol(TBA) ND 50 101 986 239 110 113 201 70 130 <br /> 1 2-Dibromoethane(EDB) ND 10 lit 111 0 113 113 0 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 108 109 1 07 115 118 272 70 130 <br />' Dusopropyl ether(DIPE) ND 10 102 103 1 39 116 120 322 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 100 101 1 06 103 107 335 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 988 986 0 164 112 117 449 70 130 <br /> %SS 1 888 100 102 998 1 84 963 985 235 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowmg 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)I((MS+MSD)12) <br /> 'MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%d 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 /> 1 <br />