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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 /> 1 http llwww mccampbell com E mail mam r@tnecampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0309481 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 8688 Spiked Sample ID 0309452-009B <br /> Sample Spiked MS' MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> 1 pg/L pg/L %Rec %Rec %RPD % Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 101 103 114 108 107 0 972 70 130 <br /> t-Butyl alcohol(fBA) ND 50 106 108 1 26 l26 122 311 70 130 <br /> 1 Dusopropyl ether(D1PE) ND 10 108 113 397 119 118 0 899 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 102 104 260 t06 105 0 942 70 130 <br /> ' Methyl-t-butyl ether(MTBE) 1 52 l0 107 109 1 96 114 1 l4 0 70 130 <br /> %SSI _ 107 100 115 115 0 100 993 108 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 /> li <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD W Relative Percent <br /> Deviation <br /> %Recovery=100•(MS-Sample)1(Amount Spiked) RPD-100•(MS-MSD)1(MS+MSD)•2 <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{efative 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 10 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 /> 1 I <br /> I I , i t Irl I i <br />