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J <br /> 110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> httpl/www mccampbell cpm E-mail mamQmccainpbeil coin <br /> QC SUMMARY REPORT FOR RCRA Metals <br /> Matnx S WorkOrder 0210339 <br /> Sample Spiked MS` I MSD` �MS-MSD-j LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> mg/Kg mglKg %Rec % Rec %RPD %flex %Rec % RPD Law High <br /> EPA Method 6010C Extraction SW3050B SatchID 4524 Spiked Sample ID NIA <br /> Barium NIA 500 NIA NIA NIA 955 965 0 968 I 70 130 <br /> Cadmium NIA S00 NIA I NIA N/A 100 101 0 187 70 130 <br /> Chromium NIA 500 N/A NIA NIA 993 102 241 70 130 <br /> Lead N/A 500 N/A N/A NIA 917 963 493 70 130 <br /> Silver NIA 50 N/A N/A N/A 844 843 0 130 70 130 <br /> %SS N/A 100 N/A NIA NIA 102 102 0 190 70 130 <br /> EPA Method SW7010 Extraction SW3050B BatchlD 4486 Spiked Sample ID N/A <br /> Arsenic NIAI 54/A N/A N/A 109 114 434 I 70 130 <br /> Selenium N/A 5 f N/A NIA i 769 957 218 a 70 130 <br /> EPA Method SW7471 B Ex•raction SW7471 B BatchlD 4487 Spiked Sample ID NIA <br /> Mercury NIA 1 0 25 NIA N/A NIA 100 98 7 I 1 60 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 /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relallve Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> . NR=analyte concentration m sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content. <br /> %Recovery=100`(MS Sample)I(Amount Spiked) RPO=100'(MS-MSD)/(MS+MSD)'2 <br /> "MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0°/n 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 />