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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 />' hltp//www mocampbell com @-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0310093 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8835 Spiked Sample ID 0310083-001B <br /> Sample Spiked MS" MSD- MS-MSD LCS j LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L Pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tent-Amyl methyl ether(TAME) ND 10 106 104 271 104 104 0 70 130 <br /> t-Butyl alcohol(TBA) ND 50 112 109 2112 113 114 0 906 70 130 <br /> 1,2-1)tbromoethane(EDB) ND 10 121 118 247 118 121 256 70 130 <br /> 1,2-Dichlomethane(I 2-OCA) ND 10 1 l6 112 327 115 116 0 399 70 130 <br />' Dusopropyl ether(DIPE) ND 10 119 116 291 117 118 0 900 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 109 105 350 107 107 0 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 115 112 283 112 114 20 70 130 <br /> %SSI 106 100 102 102 0 94 8 95 8 106 70 I 130 <br />' All target compounds m the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> lie <br /> 1 <br /> 1 <br /> 1 <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).2 <br /> 'MS and I 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 chlonde and acetone may occasionally appear in the method blank at low levels <br /> I <br />