07/23/1998
https://www.presidency.ucsb.edu...
"The heads of agencies are encouraged to use existing authority to establish programs designed to help employees stop smoking."
"It is the policy of the executive branch to establish a smoke-free environment for Federal employees and members of the public visiting or using Federal facilities."
"Cigarette smoking is the most single significant public health problem facing our people today."
"The smoking of tobacco products is thus prohibited in all interior space owned, rented, or leased by the executive branch of the Federal Government."