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r110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> http/lwww mccampbell com E-mail maxn©mccampbelI coin <br /> r � <br /> S QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> r <br /> Matrix W WorkOrder 0211444 <br /> rEPA Method SW8021 B/8015Cm Extraction SW50308 SatchlD 5063 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound <br /> r erg/L pglL % Rec %Rec %RPD %Rec % Rec % RPD Low High } <br /> TPH(gas) N/A 60 N/A NIA N/A 107 105 214 80 120 <br /> MTBF NIA 10 NIA N/A N/A 983 107 822 80 120 <br />' Benzene NIA to N/A NIA N/A 984 966 180 80 120 <br /> Toluene N/A 10 NIA N/A NIA 945 927 190 80 120 <br />' Ethylbenzene N/A t0 N/A N/A NIA 101 981 270 80 120 <br /> Xylenes NIA 30 NIA N/A NIA 100 933 690 80 120 <br />' °/ASS NIA 100 NIA N/A NIA 995 97 7 192 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 /> r <br /> r <br /> r <br /> r <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=100*(MS-Sample)I(Amount Spiked),RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%1f a)the sample is inhomogenous AND contains significant concentrations of <br />' analyte relative to the amount spiked or b)if that specafic sample matrix interferes with spike recovery <br />