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f ' <br /> } , ENYIRDHlifNTiei <br /> WA LYfUlGIL APL1CYSr5 � I � ��®®�TORIES���� � <br /> @`� , INC. <br /> f PEW" A 4 ECUM,REM CHEM.ENOR. <br /> 4100 PIERCE RD., ELAKLRSFIELD,CALIFORNIA 93308 PHONE 327-4911 <br /> r <br /> MW/TPH DIESEL <br /> Quality Control Data <br /> F' Water Work F <br /> 1710 Mair3 St M% Spike ID: 8283-5 <br /> TPH Spike ID: 8281-8 <br /> Escalon, CA 65320 <br /> Attention: Analysis Irate: 25-oct-89 <br /> >� AtUnits: [MVg <br /> Quality Control <br /> for Lab Nos: 8281-8, 6281-9, 8281-10, 8281-11, 8281-12 <br /> One sample in twenty is selected as a <br /> representative matrix which, is <br /> spiked. The <br /> Percentage recovery (% Rec) of the spike is a relative. <br /> w measure of the accuracy of the analysis. The comparison of the spike <br /> with a duplicate spike is a measure of the relative preci�.ion of the <br /> E- <br /> Conc. Cone, <br /> Dup <br /> Constituent in Spike Aged to Spike Spm Spike <br /> ---------------. Rec � Rea �D <br /> Sample Spike <br /> -----------�----�----- <br /> °� Benzene 0.00 5.02 84.20 85.94 2..05 <br /> Toluene 0.00 5.16 89.98 91.52 1.70 <br /> i� <br /> Ethyl Benzene 0.00 5.01 85.56 96.41 <br /> 0.89 <br /> p-Xylene <br /> 0.00 5.06 94.86 05.37 0.54 <br /> m-Xylene 0.00 5.01 99.34 99.60" 0.28 <br /> o-Xylene <br /> 0.00 5.00 96.63 97.58 .0.98 <br /> f.a TPH Diesel 0.00 100.01 95.87 89.92 6.41 <br /> i <br /> QC Comments: <br /> Spiked Sample Concentration - <br /> Sample.Concentration <br /> Recovery <br /> ----------------- X loo <br /> i <br /> (Concentration of Spike) <br /> RPD (Relative Percent Difference) - <br /> r . <br /> Spiked Sample Conc. - Spiked Duplicate Sample Corse. <br /> (Aver Spikes) X 100 <br /> age Concentration of S ikes <br /> milm MIMM�h M[IM MAN 11111 MUM <br />