Oxygenates in Water: Critical Information and Research Needs

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This final document identifies key issues related to assessing and managing the potential health and environmental risks of oxygenate contamination of water. Oxygenates are chemicals added to fuels (oxyfuels) to increase the oxygen content and thereby reduce emissions from use of the fuel. This document builds on and extends an earlier report, Oxyfuels Information Needs (U.S. Environmental Protection Agency, 1996), which included water issues but tended to focus more on inhalation health risk issues. The present document focuses on those gaps and limitations in current information that constitute the most critical and immediate needs to be addressed in support of risk assessment and risk management efforts related to oxygenates in water. This document is primarily intended to serve as a starting point and general guide to planning future research. It is not a comprehensive review of issues pertaining to oxygenates in water, nor does it describe in detail specific studies or projects that are needed.