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' 110 2nd Avenue South #137 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925 798 1622 <br />' A Website %�Nvcv mecampbell coin E mail mam a mecampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W Workorder 0407302 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 12447 Spiked Sample ID 0407300-008B <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec % RPD %Rec %Rec %RPD Law High <br /> tert-Amyl methyl ether(TAME) ND 10 84 1 897 i 646 81 7 772 5 66 70 130 <br /> t-Butyl aluohol(TBA) ND 50 - 82 1 94 E 134 774 816 531 70 130 <br />' Dnsapropyl ether(D1PE) ND 10 111 117 478 110 104 524 70 130 <br /> Ethyl tort-butyl ether(ETBE) —ND 10 107 112 i 4 87 104 99 1 502 70 -130 - <br />' Methyl-t-butyl ether(MTBE) —ND l0 107 1 1 1 i 3 13 101 92.3 922 70 130 <br /> %SS 1 105 10 104 106 1 220 986 964 219 70 130 <br />' All target compounds in the Method Blank of this extraction batch were ND hiss than the method RL with the following exceptions <br /> A'ONE <br /> lie <br /> I <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)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 sample matrix interferes with spike recovery <br /> NIA=not enough sampte 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 /> 0 Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />' DHS Certlfcatton No 1644 QA/QC Officer <br />