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I 10 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> !-4 _..i, http I/www mccampbell com E mad mai r@.wccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0210293 <br /> EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 4464 Spikett Sample ID NIA <br /> Sample Spiked MS' MSD* MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound <br /> pglL 1rg/L % Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(gas) NIA 60 NIA NIA N/A 101 941 698 80 120 <br /> MTBE NIA 10 NIA NIA N/A 95 5 968 1 36 80 120 <br /> Benzene NIA 10 NIA NIA N/A 917 945 302 80 120 <br /> ' Toluene NIA 10 NIA NIA NIA 879 —903 270 80 120 <br /> Ethylbenzene N/A 10 NIA NIA NIA 922 932 1 16 80 I 120 <br /> Xylenes NIA 30 NIA NIA NIA 89 89 f 0 80 120 <br /> ' %SS NIA 100 NIA NIA - NIA 96 8 101 405 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform 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 conlent <br /> Recovery=100"(MS-Sample)/(Amount Spiked) RPD=104"(MS-MSD)/(MS+MSD)'2 <br /> MS and I or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is tnhomogenous AND contains significant concentrations of <br /> ' analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />