1. U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, 8198 Blackhawk Road, Aberdeen, Maryland 21010, United States
2. Surface Chemistry Branch (Code 6170), U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
3. NRL/NRC, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States