ANSI/ASSE Z117.1-2016
Safety Requirements for Entering Confined Spaces

Standard No.

ANSI/ASSE Z117.1-2016

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASSE Z117.1-2016

ANSI/ASSE Z117.1-2016 history

• 1970 ANSI/ASSE Z117.1-2016 Safety Requirements for Entering Confined Spaces
• 2009 ANSI/ASSE Z117.1-2009 Safety Requirements for Confined Spaces