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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 /> hup/lwww mccampbeil com F-inatl main@mccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0309526 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 8732 Spiked Sample ID 0309539-002B <br /> Sample Spiked MS" MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec %Rec %RPD %Rec I %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 92 5 95 1 276 969 966 ! 0209 70 1 130 <br /> t-Butyl alcohol(TBA) ND 50 102 948 746 94 934 1 0 727 1 70 130 <br />' Dusopropyl ether(DIPE) ND 10 104 109 463 111 112 I 0 819 70 130 <br /> Ethyl tent-butyl ether(ETRE) ND 10 91 2 939 296 969 972 0 308 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 95 2 981 3 06 103 104 I 4 284 70 W j 130 <br /> %SSI 104 100 999 102 191 972 959 I 136 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 /> NOME <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)1(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 sampfe matrix interferes with spike recovery <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR z 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 />