Historical
ANSI/ASHRAE 34-2007
Designation and Safety Classification of Refrigerants (Includes Errata sheet)
This standard provides an unambiguous system for numbering refrigerants and assigning composition-designating prefixes for refrigerants. Safety classifications based on toxicity and flammability data are included. This standard does not imply endorsement or concurrence that individual refrigerant blends are suitable for any particular application.
CONTENT PROVIDER
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]