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.
This is the user manual for the Chemical Security Assessment Tool (CSAT) 2.0 portal that houses the Top-Screen survey and other applications for the Chemical Facility Anti-Terrorism Standards (CFATS) program.