In: Proceedings of the 88th Annual Meeting (held June 18-23 in San Antonio, TX), Air and Waste Management Association, Pittsburgh, Pennsylvania, June 1995, Paper No. 95-TA42.02, © 1995 H.C. Frey and A.C. Cullen Distribution Development for Probabilistic Exposure Assessment H. Christopher Frey Department of Civil Engineering North Carolina State University Raleigh, NC 27695-7908 Alison C. Cullen Harvard Center for Risk Analysis 677 Huntington Avenue Boston, MA 02115 Paper No. 95-94.02 Proceedings of the 88th Annual Meeting Air & Waste Management Association Pittsburgh, PA Presented at: 88th Annual Meeting of the Air & Waste Management Association San Antonio, Texas June 18-23, 1995