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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 /> h //www Triccarnpbell com E-mail rriam c bell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0307002 <br /> EPA Method SW8260B Extraction SW5030B SatchlD 7638 Spiked Sample ED 0307002-010B <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> }tg/L Ng/L %Rec %RBC %RPD %Rec % RBC I %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 918 903 1 69 97 954 1 67 70 130 <br /> 1,2-Drbromoethane(EDB) ND to 122 120 1 72 128 126 193 70 130 <br />' 1,2-Dichloroethane(I 2-DCA) ND t0 114 112 165 116 115 105 70 130 <br /> Dnsopropyl ether(D1PE) ND 10 105 104 0 530 108 106 148 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 92 8 914 145 98 1 949 327 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 992 96 333 106 102 372 70 130 <br />' %SS1 120 t00 769 757 155 795 773 278 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br />' NONE <br /> 1 <br /> MS=Matnx Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br />' Deviation <br /> %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100'(MS—MSD)/(IDIS+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 /> WA=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 />' 1-abo 22 extraction solvents such as meth ene chloride and acetone may occasionally appear in the method blank at low levels <br />