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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 />' h /lwww rriccampbell com E marl maBi@mccarripbell com <br /> QC SUMMARY REPORT FOR SW8021B/8415Cm <br /> 1 <br /> Matrix A WorkOrder 0306495 <br />' EPA Method SW80218/8015Cm Extraction SW5030B SatchlD 7495 Spiked Sample 10 NIA <br /> Sample Spiked MS- MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br />' pg/L pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(btex)£ N/A 60 NIA NIA N/A 111 110 0 140 70 130 <br />' MTBE N/A 10 N/A NIA N/A 101 101 0 70 130 <br /> Benzene N/A 10 N/A N/A N/A 104 105 0 288 70 130 <br />' Toluene N/A 10 NIA N/A NIA 95 5 979 241 70 130 <br /> Ethylbenzene N/A 10 N/A N/A N/A 104 105 l 12 70 130 <br /> Xylenes N/A 30 N/A NIA N/A 957 100 443 70 130 <br />' %SS N/A 100 N/A N/A N/A 101 101 0 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 MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Cantrot Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)1(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 /> £TPH(btex)=sum of BTEC areas from the FID <br /> #Guttered chromatogram sample peak coolutes with surrogate peak <br /> N/A=not enough sample to perforin matrix spike and matrix spike duplicate <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 />