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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 /> 4 1 Websitc www mccanVbelf cam E marl mam®mecamphell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0406263 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11957 Spiked Sample ID 0406245-015B <br /> Sample Spiked MS` I MSD` MS-MSD' LG5 LCSD LCS-LCSD Acceptance Critena {%) <br /> pg/L ug/L % Rec %Rec %RPD % Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 797 735 8 13 87 905 396 70 130 <br /> t-Butyl alcohol(TBA) ND 50 792 767 323 109 112 3 16 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 93 896 371 101 101 0 70 130 <br /> 1,2-Dichlorocthane(1,2-DCA) ND 10 101 101 0 107 111 342 70 130 <br /> Dnsopropyl ether(DIPS) ND 10 112 111 1 10 114 118 381 70 130 <br /> Ethanol ND 500 107 107 0 126 121 3 88 70 130 <br /> Ethyl tent-butyl ether(ETBE) ND 10 102 100 216 108 113 478 70 130 <br /> Methanol ND 2500 101 986 206 882 924 469 70 130 <br /> Methyl-t-butyl ether(MTBE) ND to 928 894 3 73 104 107 294 70 I 130 <br /> %SS2 977 10 966 97 9 1 29 97 7 97 0 24 <br /> 5 2 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 /> 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)/((MS+MSD)12) <br /> `MS and 1 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 orb)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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content, <br /> Laborato extraction solvents such as methylene cNonde and acetone may occasionally ape2ar in the method blank at low levels <br /> DHS Certification No 1644 y QA/QC Officer <br />