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k <br /> ENVIR HNENTAL <br /> -- <br /> CHMU A#ALl51S <br /> L.ABO I AT"®RIES, INC. <br /> ` PETROLEUM J.J.EGLIN,REG.CHEM.ENGA. <br /> i 4100 PIERCE RD., 13AKERSFIEL®,CALIFORNIA 93308 PHONE 337.4911 <br /> M/ :H DIESEL <br /> (Water) <br /> Quality Control Data , <br /> Water Work B'i'X Spike ID: Water <br /> 1710 Main St TPR Spike ID: dater a <br /> Escalon, 'CA 95320 Analysis Date: 06-Feb-90 <br /> r <br /> Attention: Eric Taylor Sample Matrix: Water <br /> Units: ug/Ti <br /> t Quality Control <br /> for Lab Nos: 914-1 <br /> One sample in twenty is selected as a representative matrix which is <br /> spiked. The percentage recovery (% Rec) of the spike is a relative <br /> measure of the accuracy of the analysis. The comparison of the spike <br /> { with a duplicate spike is a measure of the relative precision of the <br /> t analysis. <br /> Dup <br /> Spike Spike Spike <br /> Constituent q Rec Rec RPD <br /> a -------------------------------------------------------------------- <br /> ��' i3enzene 90.58 72.31 10.82 <br /> Toluene 75.00 66.47 12.06 <br /> Y <br /> Ethyl Benzene 88.37 79.10 11.63 <br /> TPH Diesel 77.80 42.00 59.77 ' <br /> i <br /> QC Comments: <br /> i <br />