1. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
2. Research Scientist, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214 (corresponding author).
3. Section Water Chief, New York City Dept. of Environmental Protection, Kingston, NY 12401.
4. Research Scientist, New York City Dept. of Environmental Protection, Kingston, NY 12401.
5. Senior Associate, Hazen and Sawyer, P.C., 1 South St., Baltimore, MD 21202.
6. Senior Principle Engineer, Hazen and Sawyer, P.C., 1 South St., Baltimore, MD 21202.