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' FRIEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 09/28/99 <br /> Date Received: 09/24/99 <br /> Project: 5650 <br /> Date Extracted: 09/24/99 <br /> Date Analyzed: 09/27/99 <br /> ' RESULTS FROM THE ANALYSIS OF THE SOIL SAMPLE <br /> FOR FORENSIC EVALUATION <br /> BY CAPILLARY GAS CHROMATOGRAPHY <br /> ' USING A FLAME IONIZATION DETECTOR (FID) <br /> AND ELECTRON CAPTURE DETECTOR (ECD) <br /> ' Sample ID GC Characterization <br /> GMX-12-9.5 The GC trace using the flame ionization detector (FID) <br /> ' showed the presence of high boiling compounds. The <br /> patterns displayed by these peaks are indicative of a <br /> highly degraded crude oil or mixture of low and <br /> ' medium boiling materials similar to those found in <br /> sample GMX-6-11.5. <br /> The compounds present appeared as a pattern of <br /> peaks eluting from n-C8 to n-C32. The material <br /> ' present appears to have undergone chemical or <br /> biological degradation due to the presence of a large <br /> unresolved mass of material that appears as a broad <br /> hump in the GC trace and apparent presence of <br /> biomarkers including pristane and phytane. <br /> The large peak seen near 25 minutes on the GC/FID <br /> trace is pentacosane, added as a quality assurance <br /> check for this GC analysis. There is a second <br /> ' surrogate present that is seen on the GC/ECD trace at <br /> about 26 minutes which is dibutyl chlorendate. <br /> ' 2 <br />