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v ENVIPONNEKAL <br /> CHEMICAL ANALYSIS <br /> 00 LABORATORIES, INC. <br /> PETROLEUM J.J.eGLIN.REG.CHEM.ENGA. <br /> 4100 PIERCE RD., EIAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911 <br /> BTX DIESEL QUALITY CONTROL DATA <br /> Water Work <br /> 1710 Main Strr-,--t Analysis Date: 18-Aug'-89 <br /> Escalon, CA 95320 <br /> Attention: Bill Channell Units <br /> Lab No: 6339-2 <br /> Sample De:c: Stephen-- Marine #20147-1 <br /> Conc. Spike <br /> tu Sample of Spike D.1p Spike <br /> Constituent Conc. Spike % Ree Rec ROD <br /> -------------------------------------------------------------------- <br /> Benzene ND 5.01 93.81 98.05 4.42 <br /> Toluene ND 5.03 104.55 103.81 0.71 <br /> Ethyl Benzene ND 5.09 99.61 98.35 1.27 <br /> rp—xylene ND 5.02 102.17 100.31 1.84 <br /> ND 5.11 103.90 102.75 1.11 <br /> q o-Xylene ND 5.03 102.17 102.18 0.01 <br /> TPH Diesel ND 100-01 97.62 100.32 2.73 <br /> QC Cbrmroents <br /> A <br /> !t 'f-A ND None Detected <br /> Spiked Sample Concentration Sample Concentration <br /> Recovery = <br /> -------------------------------------------------- x in.0 <br /> (Concentration of Spike) Al. <br /> RPD (Relative Percent Difference) <br /> Spiked Sample Conc. - Spiked Duplicate Sample Conc. <br /> iL ----------------------------------------------------- x 100 <br /> (Average Con—nentration of Spikes) <br />