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' 110 2nd Avenue South,4D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical Inc. Telephone:925-799-1620 Fax:925-798-1622 <br /> httpa/www.mccampbell.commain@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8015C <br /> BatchlD:2607 Matrix:W WorkOrder: 0206382 <br /> ' EPA Method: SW8015C Extraction: SW3510C Ext. Date: 6125102 Spiked Sample ID: N/A <br /> Sample Spiked MS* MSD" MS-MSD:; LC5 LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound I --__ �__—_T <br /> ' pg/L pg/L % Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(d) NIA 7500 N/A NIA N/A 98.3 97.5 0.84 70 130 <br /> %S& N/A 2500 N/A N/A N/A 94.3 1 93.2 1 1.1 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions: <br /> NdNE <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*(MS-Sample)/(Amount Spiked);RPD=100*(MS-MSD)I(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 />' Laboratory extraction solvents such as methylene chloride and awtone may occasionally appear in the method blank at low levels. <br />