ANSI/ASHRAE 34 Addendum c-2011
Designation and Safety Classification of Refrigerants

Standard No.

ANSI/ASHRAE 34 Addendum c-2011

Release Date

2011

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASHRAE 34 Addendum c-2011

Scope

This addendum changes the occupational exposure limit (OEL), expressed as ppm (v/v), for R-1234yf to be consistent with the 2009 Workplace Environmental Exposure Limit (WEEL) established by the American Industrial Hygiene Association (AIHA).

ANSI/ASHRAE 34 Addendum c-2011 history

• 2011 ANSI/ASHRAE 34 Addendum c-2011 Designation and Safety Classification of Refrigerants