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' 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mecampbell com E-mail marn@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> 1 <br /> Matrix W WorkOrder 0208347 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 3574 Spiked Sample ID N/A <br /> Compound <br /> Sample Spiked MS` MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Crttena(%) <br /> _ <br />' Lig/L pg/L %Ree % Rec %RPD %Rec %Rec f %RPD LOW High <br /> TPH(gas) NIA 60 NIA NIA N/A 871 937 739 80 120 <br />' MTBE N/A 10 N/A N/A N/A 802 806 0 502 80 120 <br /> Benzene N/A 10 N/A N/A N/A 87 86 4 0 769 80 120 <br /> Toluene N/A 10 N/A N/A N/A 91 6 93 4 195 80 120 <br />' Ethylbenzene N/A 10 NIA N/A N/A 958 959 0 108 80 120 <br /> Xylenes N/A 30 NIA N/A N/A 95 95 0 80 120 <br /> %SS N/A 100 N/A N/A N/A 999 100 0 492 80 120 <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 /> lie <br /> I <br /> I <br /> i <br /> I <br /> MS=Matrrx Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> I Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR w analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery z 100"(MS Sample)I(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 />