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Organic Acid Derivatization Techniques Applied to Petroleum Hydrocarbon Transformations in Subsurface Environments
Authors:Michael J Barcelona  Jie Lu  Daniel M Tomczak
Institution:Michael J. Barcelona;is an adjunct professor and senior research scientist in the Department of Civil and Environmental Engineering at the University of Michigan. He received his Ph.D. in marine chemistry/chemical oceanography in 1977 in the Department of Marine Sciences, University of Puerto Rico, Mayaguez, PR. He was a professor of chemistry at Western Michigan University from 1989 to 1993. From 1979 through 1989 he was section head and principal scientist in the Aquatic Chemistry Section of the Illinois State Water Survey. His research and education interests include geochemical aspects of the in situ remediation technology performance evaluation, environmental analytical chemistry, and spatial and temporal variability in contaminant distributions. Jie Lu;received his M.S. degree in chemistry from Western Michigan University Kalamazoo, MI, 1994. He is currently employed at the University of Illinois-Chicago, College of Pharmacy, Department of Pharmacy Practice, 833 S. Wood St., Room 164, Chicago, IL 60612. Daniel Tomczak;received his M.S. degree in chemistry from Western Michigan University, Kalamazoo, MI, 1994. His current position is as an environmental analytical chemist with the Michigan Department of Public Health, Division of Laboratory Services, 3500 N. Martin Luther King Jr. Blvd., P.O. Box 30035, Lansing, MI 48909.
Abstract:Evidence for the natural microbial remediation of subsurface fuel contamination situations should include identification and analysis of transformation or degradation products. In this way. u mass balance between fuel constituents and end products may be approached to monitor cleanup progress. Application of advanced organic acid metabolite derivatization techniques to several known sites of organic compounds and fuel mixture contamination provide valuable information on the pathways and progress of microbial transformation. Good correlation between observed metabolites and transformation pathways of aromatic fuel constituents were observed at the sites.
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