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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925 798-1622 <br /> Imp//www mecampbell corn E-mail mamGmccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0208114 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 3363 Spiked Sample ID NIA <br /> Sample Spiked MS- I MSD* IMS-MSD-' LCS I LCSD LCS-LCSD Acceptance Cntena(%) <br /> Compound <br /> Ng/L Pg/L %Rec %Re- %RPD %Rec %Rec %RPD Low High <br /> I <br /> TPf 1(gas) N/A 60 N/A 3 NIA NIA 995 966 298 80 120 <br /> MTBE NIA <br /> 10 N/A I NIA N/A 999 936 648 80 120 <br />' Benzene N/A 10 N/A I N/A N/A 114 104 9 85 1 84 120 <br /> Toluene N/A 10 - N/A N/A N/A 118 115 1 229 80 120 <br />' Ethylbenzene - N/A h 10- -N/A- l -N/A N/A 119 108 975 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 120 110 870 80 120 <br /> %SS N/A 100 N/ANIA N/A 111 108 i 224 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI,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 matnx 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 /> %Recovery=1 oo•(MS Sample)/(Amount Spiked) RPD=100'(MS-MSD)/(MS+MSD)'2 <br /> MS and 1 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 /> anal to relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />