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' 110 2nd Avenue South 407 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hitp llwww mccampbell corn E-mad mamQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix A WorkOrder 0208347 <br />' EPAMethod SW8021B/8015Cm Extraction SW5030B BatchlD 3598 Spiked Sample ID N/A <br /> Compound Sample Spiked MS* MSD- MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria{°�) <br />' Ng/L pg/L % Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 104 103 0 757 80 120 <br /> MTBE N/A 10 NIA N/A NIA 843 872 339 80 120 <br /> Benzene N/A 10 N/A NIA NIA 105 100 4 68 80 120 <br /> Toluene N/A 10 N/A N/A N/A 110 106 321 80 120 <br />' Ethylbenzene N/A 10 NIA NIA N/A 109 105 3 16 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 103 103 0 80 120 <br />' %SS N/A 100 N/A NIA N/A 113 106 6 39 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 /> I• <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> M5=Matruc Spike MSD=Matrix Spike Duplicate,LCS=LaboraEory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate Percent <br /> NR=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=100`(MS-Sample)/(Amount Spiked),RPD=100"(NIS—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 s c sample matrix interferes with s ike recovery <br />