1. College of Oceanic and Atmospheric Sciences, Oregon State University, 104 COAS Admin. Bldg., Corvallis, Oregon 97331-5503
2. Biological Sciences Department, Idaho National Laboratory, P.O. Box 1625, Idaho Falls, Idaho 83415-2203
3. Environmental Science Department, University of Idaho, Moscow, Idaho 83844-3006
4. Environmental Science Division, P.O. Box 2008, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6036