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110 2nd Avenue South,PD7,Pacheco,CA 94553 5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccampbell corn E-mall main®mccamphell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0406263 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 11957 Spiked Sample ID 0406245-0158 <br /> Sample Spiked MS* MSD* "RP <br /> LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L Vg/L %Rec %Rec %Rec %Rec %RPD Low High <br /> ten-Amyl methyl ether(TAME) ND 10 797 73 5 8 13 87 905 396 70 130 <br /> t-Butyl alcohol(TBA) ND 50 792 767 323 109 112 3 16 70 130 <br /> 1,2-Dtbromoethane(EDB) ND 10 93 896 371 101 101 0 70 130 <br /> 1,2-DtchloTocthane(1,2-DCA) ND 10 101 101 0 107 111 342 70 130 <br /> Dlisopropyl ether(DIPS) ND 10 112 111 1 10 114 118 381 70 1 130 <br /> Ethanol ND 500 t07 107 0 126 121 388 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 102 100 2 16 108 113 478 70 130 <br /> Methanol ND 2500 101 986 206 882 924 469 70 130 <br /> Methyl-t-butyl ether(MTBE) �ND 10 929 894 373 104 107 294 70 130 <br /> %552 977 10 966 97 9 1 29 97 7 97 5 0 242 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MSSampte)I(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)/2) <br /> *MS and/or MSD spike fecovenes may not be near 100%or the RPDs near O%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 /> Labo kory extraction solvents such as meth ene chloride and acetone may occasional!y appear in the method blank at low levels <br /> DHS Certification No 1644Y „_QA/QC Officer <br />