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' 110 2nd Avenue South #1)7 Pacheco CA 94553-5560 <br /> McCamrbell Analytical Inc I lele*hc r, 925-798-1620 Fax 925-798-1622 <br /> I littp//www mecampbell com E mail mam(a3mccampbell com <br /> 1 <br /> i QC SUMMARY REPORT FOR SW8015C <br />' BatchlD 2485 Matnx W WorkOrder 0206274 <br />' EPA Method SW8015C Extraction SW3510G Ext Date 6117102 Spiked Sample ID NIA <br /> Sample Spiked I MS* MSD* jMS-MSD*! LCS LCSD LCS-LCSD Acceptance Cntena(°/a) <br /> Compound <br /> pg/L. pg/L %Rec ' %Rec % RPD i %Rec % Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A I N/A N/A 104 107 28 70 130 <br /> i l <br /> %SS N/A I 2500 N/A l N/A N/A 106 110 3 29 70 130 <br /> All target compounds in the Method Blank of this extraction hatch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> ti. <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> N/A=not enough sample to perform matrix Spike or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MSSample)/(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 relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> . Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />