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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> E4-7mcc.- <br /> mpbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> http!lwww mecampbell corn E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0312216 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9656 Spiked Sample ID 0312222-OQSB <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD ILCS-LCSD Acceptance Criteria{%} <br /> ug/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 902 886 184 83 5 862 3 17 70 130 <br /> t-Bury]alcohol(TBA) ND 50 113 112 124 768 813 563 70 130 <br /> 1,2-Dtbromoethane(EDB) ND 10 106 103 274 108 113 404 70 130 <br /> 1,2-Dtchloroethane(I,2-DCA) ND 10 118 118 0 103 108 466 70 130 <br /> Dusopropyl ether(DIPE) ND 10 121 118 268 107 110 294 70 130 <br /> Ethyl tort-butyl ether(ETBE) ND 10 106 104 205 907 932 269 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 115 112 309 92 951 337 70 130 <br /> %SSI 105 100 98 1 978 0 336 105 104 0 623 70 130 <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 /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS MSD)I((MS+MSD)12) <br /> 'MS and 1 or MSD spike recoveries may not be near 1013%or the RPDs near 0%if a)the sample is inhomogenous AND contains sfgmficant 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 />