1. Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20707.
2. NASA Goddard Space Flight Center, Greenbelt, MD 20771.
3. EG&G Analytical Services Center, Inc., Pocomoke City, MD 21851.
4. National Oceanic and Atmospheric Administration Pacific Marine Environmental Laboratory, Seattle, WA 98115.
5. Environmental Research Institute of Michigan, Ann Arbor, MI 48107.
6. Fleet Numerical Oceanography Center, Monterey, CA 93940.