NFPA 484 : 2019

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Conflicts. 1.5 Retroactivity. 1.6 Units and Formulas. 1.7 Equivalency. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 General 4.1 Retroactivity. 4.2 Owner's Obligation. 4.3 Objectives. 4.4 Management of Change. 4.5 Hazard Analysis. 4.6 Personal Protective Equipment (PPE). 4.7 Dust Explosion and Flash-Fire Hazard Areas. 4.8 Segregation, Separation, or Detachment to Limit Dust Hazard Areas. 4.9 Organometallic Materials. (Reserved) Chapter 5 Determination of the Combustibility or Explosibility of a Metal, Metal Powder, or Metal Dust 5.1 Overview.5.2 Basic Material Characterization. 5.3 Determination of Combustibility. 5.4 Determination of Explosibility. 5.5 Use of Test Data for Hazard Analysis. 5.6 Determination of Flash Fire Potential. (Reserved) 5.7 Risk Evaluation. 5.8 Compliance Options. Chapter 6 Performance-Based Design Option 6.1 General Requirements. 6.2 Design Objectives. 6.3 Performance Criteria. 6.4 Design Scenarios. 6.5 Evaluation of Proposed Design. 6.6 Retained Prescriptive Requirements. (Reserved) Chapter 7 Hazard Analysis 7.1 General. 7.2 Dust Hazard Analysis (DHA). 7.3 Molten Metal Hazard Analysis. Chapter 8 Fire Prevention, Fire Protection, and Emergency Response 8.1 Retroactivity. 8.2 Fire Prevention. 8.3 Fire Protection. 8.4 Emergency Preparedness. 8.5 Emergency Response. Chapter 9 Housekeeping 9.1 Retroactivity. 9.2 Applicability. 9.3 Housekeeping Plan. 9.4 Cleanup Procedures for Fugitive Dust Accumulations.9.5 Cleanup of Spilled Dust, Fine or Powder. 9.6 Vacuum Cleaning. 9.7 Compressed Air Cleaning Requirements. 9.8 Water-Cleaning Requirements. 9.9 Cleaning Frequency. 9.10 General Precautions. Chapter 10 Control of Ignition Sources 10.1 Retroactivity. 10.2 Hot Work. 10.3 Smoking. 10.4 Spark-Resistant Tools. 10.5 Static Electricity. 10.6 Control of Friction Hazards. 10.7 Electrical Power and Control. 10.8 Electrical Area Classification. 10.9 Powered Industrial Trucks. 10.10 Propellant-Actuated Tools. Chapter 11 Powder and Dust Collection and Centralized Vacuum Systems 11.1 Retroactivity. 11.2 Dust Collection. 11.3 Centralized Vacuum Cleaning System. 11.4 Portable Vacuum Cleaners. 11.5 Pneumatic Conveying of Powder. 11.6 Powder Collection. Chapter 12 Nanometal Powders 12.1 Retroactivity. 12.2 General. 12.3 Nanoparticle Production Processes. 12.4 Equipment Design and Operation.12.5 Housekeeping. Chapter 13 Additive Manufacturing 13.1 Retroactivity. 13.2 General Requirements. 13.3 Additive Manufacturing Equipment and Operations. 13.4 Equipment and Object Cleaning. 13.5 Training. 13.6 Emergency Response. Chapter 14 Alkali Metals 14.1 General Provisions. 14.2 Facility Design Requirements. 14.3 Primary Metal Production. 14.4 Powder Production. (Reserved) 14.5 End Users of Powder. (Reserved) 14.6 Processing and Handling. 14.7 Machining, Fabrication, Finishing, and Media Blasting. 14.8 Storage and Handling. 14.9 Fire and Explosion Protection. 14.10 Other. (Reserved) Chapter 15 Legacy Metals 15.1 General. 15.2 Facility Design Requirements. 15.3 Primary Metal Production. 15.4 Powder Production. 15.5 End Users of Powder. 15.6 Processing and Handling. 15.7 Machining, Fabrication, Finishing and Media Blasting. 15.8 Storage and Handling. 15.9 Fire and Explosion Prevention.15.10 Other. (Reserved) Chapter 16 Other Metals 16.1 General Provisions. 16.2 Facility Design Requirements. 16.3 Primary Metal Production. 16.4 Powder Production. 16.5 End Users of Powder. 16.6 Processing. 16.7 Machining, Fabrication, Finishing, and Media Blasting. 16.8 Storage and Handling. 16.9 Fire and Explosion Prevention. 16.10 Other. (Reserved) Chapter 17 Recycling and Waste Management Facilities 17.1 General Provisions. 17.2 Recycling and Waste Management of Combustible Metal — Collection, Storage, and Handling of Fines Generated During Scrap Receiving, Storage, Recycling, and Waste Treatment. 17.3 Storage of Combustible Metals for Recycling and Waste Management. 17.4 Sample Identification and Collection for Metals in a Combustible Form. 17.5 Personal Protective Equipment (PPE). 17.6 Reactivity. 17.7 Management of Change. 17.8 Facility Design Requirements. 17.9 Emergency Preparedness. 17.10 Processing. 17.11 Fire and Explosion Prevention. Annex A Explanatory Material Annex B Electrically Conductive Floors Annex C Supplementary Information on Magnesium Annex D Design for Dust Concentration Control in Ductwork Annex E Supplementary Information on TantalumAnnex F Supplementary Information on Titanium Annex G Supplementary Information on Zirconium Annex H Extinguishing Agents That Should Not Be Used on Lithium Fires Annex I Testing for Detailed Characterization of Explosive Behavior of Materials Annex J Informational References

This standard provides requirements for the production, processing, finishing, handling, recycling, storage,
and use of all metals and alloys that are in a form that is capable of combustion or explosion.