ASHRAE 15 : 2013

Foreword
1 Purpose
2 Scope
3 Definitions
4 Occupancy Classification
5 Refrigerating System Classification
6 Refrigerant Safety Classification
7 Restrictions on Refrigerant Use
8 Installation Restrictions
9 Design and Construction of Equipment and Systems
10 Operation and Testing
11 General Requirements
12 Precedence with Conflicting Requirements
13 Listed Equipment
Informative Appendix A: Calculations of the Maximum Allowable
                        Concentration (C[m]) of a Blend
Informative Appendix B: Guidelines for Emergency Discharge of
                        Refrigerants When Required by Local Codes
Normative Appendix C: Refrigeration Classification Scheme
Informative Appendix D: Informative References
Normative Appendix E: Normative References
Informative Appendix F: Method for Calculating Discharge Capacity
                        of Positive Displacement Compressor
                        Pressure-Relief Device
Appendix G: Reserved for Future Use
Normative Appendix H: Allowable Equivalent Length of Discharge Piping
Informative Appendix I: Emergencies in Refrigerating Machinery Rooms
Informative Appendix J: Addenda Description Information

Describes safeguards for life, limb, health, and property and prescribes safety requirements.