11/10/2025 | Press release | Distributed by Public on 11/10/2025 09:29
Designation and Safety Classification of Refrigerants - ASHRAE Standard 34 describes a shorthand way of naming refrigerants, and it assigns safety classifications and refrigerant concentration limits based on toxicity and flammability data. Please contact the EPA Docket Center, Public Reading Room to view this document. Address: 1301 Constitution Ave, NW, Room 3334 Washington, DC 20004 Telephone: 202-566-1744. Fax: 202-566- 9744 Email: [email protected]