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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 /> ' hup I/www mccampbell com E-mail mamQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix S WorkOrder 0210339 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 4526 Spiked Sample ID 0210339-013A <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD I LCS-LCSD Acceptance Criteria(%) <br /> ' Compound <br /> mg/Kg mg/Kg %Rec %Rec %RPD %Rec %Rec %RPD Low FHigh <br /> TPH(gas) N/A 060 N/A NIA N/A 100 111 995 80 120 <br /> 1 MTBE NIA 010 NIA NIA N/A 973 968 0 534 80 120 <br /> Benzene N/A 010 N/A N/A N/A 104 102 206 80 120 <br /> ' Toluene N/A 010 NIA NIA N/A 117 114 263 80 120 <br /> Ethylbenzene N/A 010 N/A N/A N/A 110 106 367 80 120 <br /> Xylenes N/A 030 N/A N/A NIA 110 103 625 80 120 <br /> ' %SS N/A 100 N/A N/A N/A 113 115 t 83 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exoeeds spike amount for sat 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),RPD=100*(MS—MSD)I(MS+MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or tha BPDs 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 />