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1 <br /> 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> Mccarrlpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http/lwww mccampbell com E-mad marn@mccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> BatchiD 1476 Matrix W WorkOrder 0204385 <br />' BPA Method SW8015C Extraction SW3510C Ext Date 4/24/02 Spiked Sample ID <br /> Sample Spiked MS' MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound -- —— Y -- <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec { %RPD Low High <br /> TPH(d) N/A 7500 NIA NIA N/A 114 113 1 1 70 130 <br />' %SSI 2500 N/A N/A NIA 105 104 10 70 130 <br /> %SS2 2500 NIA N/A NIA 1 107 106 092 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 /> I <br /> r <br /> i <br /> I MS=Matrix Spike MSD=Ma"Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br /> I %Recovery=100'(MSSample)/(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 /> ILaboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> I <br />