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1 <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br />' http//www rmcarripbell com E-mail mam@rnccarMbcl1 corn <br />' QC SUMMARY REPORT FOR SW8260B - <br /> Matrix W WorkOrder 0305254 <br />' EPA Method SW8260B Extraction SW50308 BatchlD 6524 Spiked Sample ID 0305244-003A <br /> Compound Sample Spiked MS' MSD' MS-MSD- LCS LCSD LCS-LCSD Acceptance Critena(%) <br /> pg/L pg/L % Rec %Rec % RPD %Rec % Rec % RP0 Low High <br /> 11 L <br /> Benzene ND 10 104 107 239 100 103 1 206 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 110 111 0 225 104 110 5 67 70 130 <br /> Toluene ND 10 118 120 157 113 116 260 70 130 <br />' %SS1 114 100 113 110 231 96 6 93 2 3 53 80 130 <br /> %SS2 102 too 100 101 0 103 998 103 3 17 80 130 <br /> %SS3 117 100 113 114 107 106 120 123 80 130 <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 /> I <br /> I <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.(MS-Sample)1(Amount Spiked) RPD=100•(MS—MSD)/(MS+MSD)'2 <br /> 'MS and!or MSD spike recevones may not be near 100%or the RP Ds 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> 11-aboratory extraction solvents such as moth leve chloride and acetone may occasionally appear in the method blank at low levels <br />