Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock
()
or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Due to the lapse in federal funding, this website will not be actively managed. Click here for more information.
Non-medically required, flavored or canned oxygen containers are prohibited.