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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 />' http#www mccampbell com E-mail mainCa?inecarripbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0306568 <br />' EPA Method SW8260B Extraction SW5030B BatchiD 7547 Spiked Sample ID 0306565-012B <br /> Sample Spiked MAS" MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L % Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> tert-Amyl methyl ether(TAME) ND 10 85 5 883 322 884 907 257 70 130 <br /> Benzene ND 10 969 993 2 44 105 107 184 70 130 <br /> Dusopropyl ether(DIPE) ND 10 879 883 0 361 114 117 2 92 70 130 <br /> Ethyl tent-bury[ether(ETB>) ND 10 86 3 85 7 0 703 92 2 94 2 210 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 96 3 <br /> If2 01 97 3 988 152 70 130 <br /> Toluene ND 10 106 454 117 119 1 38 70 130 <br /> %SSI 112 100 119 0 106 105 0507 70 130 <br /> %SS2 94 6 100 94 9 95 4 0 472 96 2 944 190 70 130 <br /> %SS3 87 2 100 �88 <br /> 3 879 0 495 92 8 93 0 127 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 /> 1 � <br /> NONE <br /> 1 <br /> I <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*(MSSample)1(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 /> . N/A=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 /> Laborato extraction solvents such as meth aria chloride and acetone ma occasional) a ar in the method blank at low levels <br />