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� i�,r• - .`�'' �=' �-=s -- v'� •y�-,3t '� �"„i - F :.<�":. '.�`_ ,ie `�- - s v5fi ,?� xs�' <br /> r <br /> r r r <br /> SWONNEMAL <br /> CNflf1GLAWLYSIS .: LABORATORIES, INC. <br /> 7 <br /> PUROLEVU J.J.EGUN,REG,CHEM.ENGR. <br /> ' 4100 PIEPCE RD., BAKERSFIELD,CALIFORNIA 93308 PHONE 327.4911 <br /> MX/TPH GASOLINE <br /> I <br /> Quality Control Data <br /> Water Work <br /> Spike ID: 8283-1 <br /> 1710 Main St Analysis Date: 26-Oct-89 <br /> Escalon, CA 95320 Sample Natrix: Soil <br /> .: <br /> Attention: Robert Juncali3nits: �g <br /> Quality Control s <br /> for Lab Nos: 8283-1 <br /> y One sample in twenty is selected as a representative matrix which is <br /> spiked_ The percentage recovery (94 Rec) of the spike is a relative <br /> Ymeasure of the accuracy of the analysis. The comparison of the spi?te <br /> Fit with a duplicate spike is'a measure of the relative prrciaion of the <br /> analysis. <br /> a <br /> Colic, Conc. Dup <br /> r, in Spike Added to Spike Spike Spike <br /> Constituent, Semple Spike Rec % Rec <br /> f -- -----------�-----------------------------------------------�-- <br /> ' Benzene 0.40 5.02 89.61 85.03 5.25 <br /> �f Toluene <br /> c <br /> 0.00 5.16 94.88 84.77 11.26 <br /> Ethyl Benzene 0,00 5,01 92.98 87.58 5.58 <br /> L. P- vlene 0:00 5.06 93.83 89.13 5.14 <br /> t m--Xylene 0.00 5.01 96:35 91.61 5.56 <br /> o-Xylene 0.00 5.00 94.44 84.02 11.68 <br /> TPH Gas 0.00 301.06 87.17 88.76 1.81 <br /> x' VVF <br /> ,< I QC Comments: , <br /> 6 G _ <br /> Spiked Sample Concentration Sample Concentraticn' <br /> Recovery ----------------------------------- -_-------- -- X 100 i <br /> (Concentration of Spike) <br /> RPD (Relative Percent Difference) <br /> . Spiked Sample Cone. - Spiked Duplicate Sample Cori, r <br /> ----------------------------------------------- _..-- - X 100 <br /> (Average Conc. cf Spikes) <br />