1. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214 (corresponding author).
2. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
3. Research Scientist, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
4. Section Chief, Water Quality Modeling, New York City Dept. Environmental Protection, 71 Smith Ave., Kingston, NY 12401.