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110 2nd Avenue South 407 Pacheco CA 94553 5560 <br /> =eAm <br /> alnpbell Analytical Inc Telephone 925-798 1620 Fax 925 798 1622 <br /> http Ilwww mccampbell coin L mail maina mccampbell com <br /> • <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0311258 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 9401 Spiked Sample ID 0311267-002C <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L. pg/L % Rec %Ree %RPD %Rec % Ree % RPD Low Nigh <br /> tert-Amvl methyl ether(TAME) ND 10 828 889 7 17 91 863 522 70 130 <br /> t-Butyl alcohol(1 BA) ND 50 959 963 0 457 105 101 391 70 130 <br /> 1,2 Dtbromoethane(EDB) ND 10 — 107 106 0 639 108 107 0 507 70 130 <br /> 1,2-Dichloroethane(1 2-DCA) ND 10 97 104 681 100 959 422 70 130 <br /> Dusoprapyl ether(D1PE) ND 10 93 7 101 771 972 928 462 70 130 <br /> Ethanol ND 500 83 9 112 286 81 1 842 384 70 130 <br /> Ethyl tent-butyl ether(ETBE) ND 10 83 6 908 825 91 5 86 5 5 64 70 130 <br /> Methanol ND 2500 101 102 155 100 102 193 70 130 <br /> Methyl-t butyl ether(MTBE) ND t0 867 959 101 98 9 92 1 7 17 70 _ 130 <br /> %SSI 107 100 106 113 626 107 102 448 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=too'(MS Sample)/(Amount Spiked) RPD=100*(MS- MSD)1((MS+MSD)12) <br /> *MS and 1 or MSD spike recoveries may not be near 100%or the BPDs 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 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 chloride and acetone may occasionally appear in the method blank at low levels <br />