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110 21td Avenue South,f!t]7 Pacheco CA 94553-5560 <br /> F*mccampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> h I/www mac bell cum Ismail mom carWbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0307004 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 7638 Spiked Sample ID 0307002-040B <br /> Sample Spiked MS' MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(°/u) <br />' lig/L pg/L %Rec %Rec % RPD %Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 91 8 903 1 69 97 954 1 67 70 130 <br /> Dosopropyl ether(D1PE) ND 10 105 104 0 530 108 106 149 70 130 <br />' Ethyl tert-butyl ether(ETRE) ND 10 92 8 914 1 45 981 949 327 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 992 96 333 106 102 372 70 130 <br />' %SS 1 120 1 100 769 757 1 155 795 773 278 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> 1• <br /> t <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)'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 sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sail matnx 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 methvIene chloride and acetone may occasionally appear in the method blank at low levels <br /> 1 <br />