TY - BOOK TI - Ashrae Standard: Designation and Safety Classification of Refrigerants, ANSI/ASHRAE 34-1997 SN - 10412336 U1 - 621.56 PY - 1997/// CY - Atlanta PB - A. S. H. R. A. E., INC KW - Mechanical Engineering N1 - Foreword Purpose Scope Definitions of Terms Numbering of Refrigerants Designation Safety Group Classifications Refrigerant Classifications Application Instructions References Table 1 Table 2 Appendix - A: Isomer Designation Examples Appendix - B: Comparison of Previous and Current Safety Classifications Appendix - C: Addenda Description Information ER -