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t110 2nd Avenue South #D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Raz 925 798 1622 <br /> Website www mccanpbell nom &mail mainr@imcampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matnx W WorkOrder 0409435 <br />' EPA Method SW826013 Extraction SW5030B BatchlD 13343 Spiked Sample ID 0409424-002B <br /> Analyte Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' lrg/L lig/L %Ree /.Rec % RPD %Rec %Ree I % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 863 797 794 858 805 637 70 130 <br /> t-Butyl alcohol(TBA) ND 50 903 80 8 11 1 769 757 1 58 70 130 <br />' 1 2-Dibromoethane(EDB) ND 10 100 957 478 943 899 474 70 I 130 <br /> 1,2-Dlchloroetham,(1,2-DCA) ND 10 117 111 557 110 100 921 70 130 <br />' Dusopropyl ether(DIPS) ND 10 130 121 704 120 112 698 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 110 103 672 997 947 522 70 I 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 102 935 964 8T9 783 3 52 70 130 <br /> %S51 101 10 101 100 00281 95 = <br /> 0 880 70 I 130 <br />' All target compounds in the Method Blank of this extraction hatch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> MS=Matrix Spike MSD=Matnx 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)/((MS+MSD)/2) <br /> "MS/MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample s matrix interferes with the spike recovery <br /> N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyle concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> • Laboratory extraction solvents such as methylene chloride and acetone may oerasionally appear in the method blank at low levels <br /> DHS Certification No 1644 4�Q—:C Officer <br /> I <br />