How the regulatory process can result in inappropriate assessment of exposure at DOE sites and how strong science and relevant data might influence that process
C.W. Powers, B.R. Friedlander (UMDNJ - IRM/CRESP);
D.S. Kosson (Dept. of Civil and Environmental Engineering. Vanderbilt University)
A number of exposure assessment procedures and evaluation methods have been incorporated into environmental regulations. Some of these methods and procedures are more applicable for smaller scale units than to the very large (hundreds of square miles) units that comprise some of the larger Department of Energy Sites. In addition, the method for determining the leaching characteristics of toxics, the consideration of concentrations of contaminants in media not relevant to potential bio-receptors, and the consideration of integrated biological indicators of response all provide opportunities to improve the relevance of exposure assessment and management. The acceptance of such approaches by regulators is not always possible or justified - but certain situations may specifically be important for such acceptance. This session will review some of these environmental issues and possible approaches to improve the protection of environmental health through the application of science, data and the exploration of regulatory options.