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ENVIRONMENTAL �Y <br /> CHEMICAL ANALYSIS LABORATORIES, INC. <br /> PETROLEUM J.J.EGLIN,REG.CHEM.ENGR. <br /> 4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911 <br /> DIESEL <br /> ;uc�l itv Control Data <br /> Water Work <br /> 1710 Main St. TPH Spike ID: 3658-1 <br /> Escalon, CA 95320 Analysis Date: <br /> Attention: Matrix: soil <br /> Units: ug/g <br /> Quality Control <br /> for Lab Nos: 3692-05 , 3x92-% , . 3692-9 <br /> r <br /> rOne 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 or the relative precision of the <br /> analysis. <br /> Dup <br /> Spike Spike Spike <br /> Constituent ; Rec o Rec RPD <br /> -------------------- ------------------------------------------------ <br /> rTPH Diesel 34 88 5 <br /> r - <br /> r _ <br /> r <br /> QC Comments: <br /> r <br /> r . <br /> r <br /> r <br />