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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 1lwww mccampbelf corn E mail mam@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> BatchlD 2248 Matrix W WorkOrder 0206018 <br /> ' EPA Method SW8021 BI8015Cm Extraction SW5030B Ext Date 6104102 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptanoe Criteria(%) <br /> ' Compound <br /> uglL Itg/L °h Rec %Rec %RPD °,6 Rec %Rec %RPD Low High <br /> TPH(gas) NIA 60 NIA NIA NIA 106 106 044 80 120 <br /> MTBE NIA 10 NIA NIA NIA 896 887 095 80 120 <br /> Benzene N/A 10 NIA NIA NIA 986 995 0 85 80 120 <br /> ' Toluene N/A 10 NIA NIA NIA 101 102 0 80 80 120 <br /> Ethylbenzene NIA t0 NIA N/A NIA 101 102 10 80 120 <br /> Xylenes NIA 30 NIA N/A NIA 103 103 0 80 120 <br /> %SS NIA 10 NIA N/A N/A 102 102 0 032 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 �l <br /> ' NONE <br /> i <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPO=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx spike or analyte concentration in sample exceeds spike amount <br /> ' °/b Recovery=100'(MS-Sample)I(Amount Spiked),RPD=100•(MS—MSD)/(MS+MSD)'2 <br /> 'MS and 1,11 MSD spike recoveries may not be near 100%or their RPDs near 07*,, a)the sample is mhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked or b)if that speafic sample matnx mterferes with spike recovery <br />