... Proceedings of the 9th International Petroleum Environmental Conference: Issues and Solutions in Exploration, Production and Refining, Albuquerque, NM: Integrated Petroleum Environmental Consortium ... Environmental Conference: Issues and Solutions in Exploration, Production and Refining, Albuquerque, NM: Integrated Petroleum Environmental Consortium (IPEC) and the University of Tulsa, Continuing ... composition is modified further by sorption, mineral precipitation/dissolution, transpiration, volatilization and bacterially mediated oxidation/reduction reactions. Figure 2. Geologic map of the...