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1102nd Avenue South 407 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' I http/lwww mm <br /> ccap6elf com Email marn(a�mccarnpbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> BatChlD 1440 Matrix W WorkOrder 0204360 <br />' EPA Method SW8015C Extraction SW3510C Ext Date 4123/02 Spiked Sample ID N/A <br /> Sample Spiked MS* MSD- MS-MSD*1 LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound I I i <br />' pg/L Ng/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7500 N/A N/A N/A 122 122 O11 70 130 <br />' %SSI N/A 2500 N/A NIA N/A 106 107 097 70 130 <br /> %SS2 =N/A2500 NIA N/A NIA 1 108 108 048 70 130 <br />' All target compounds in 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 /> 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 /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MSSample)/(Amount Spiked) RPD=100*(MS-MSO)I(MS+MSD)*2 <br /> *MS and I or MSD spike recoveries may not be near I OG%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 /> I <br />