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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 /> ht Iltivww mcc hell com >i-mail mom cca bell coai <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix S WorkOrder 0401260 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 10065 Spiked Sample ID 0401260-013A <br /> Sample Spiked MS" MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/Kg pg/Kg %Rec % Rec % RPD %Rec % Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 50 111 114 335 103 109 628 70 130 <br /> t-Butyl alcohol(TBA) ND 250 927 988 636 897 918 230 70 130 <br /> 1,2-Dibromoethane(EDB) ND 50 995 104 469 967 102 490 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 50 121 123 1 86 118 119 121 70 130 <br /> Dnsopropyl ether(D1PE) ND 50 116 118 190 ]to 114 323 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 50 113 115 238 107 109 245 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 50 110 112 197 105 108 302 70 130 <br /> %SS 1 976 50 922 93 0 960 93 923 0 714 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 /> i <br /> MS=Matrix Spike MSO=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)I QMS+MSD)12) <br /> MS and I 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 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 /> DHS Certification No 1644' <br /> QA/QC Officer <br />