NFPA 61 : 2020

Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application.
1.4 Conflicts.
1.5 Retroactivity.
1.6 Equivalency.
1.7 Units and Formulas.
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 Requirements
4.1 General.
4.2 Objectives.
Chapter 5 Hazard Identification
5.1 Responsibility.
5.2 Screening for Combustibility or Explosibility.
5.3 Self-Heating and Reactivity Hazards. (Reserved)
5.4 Combustibility and Explosibility Tests.
5.5 Sampling.
Chapter 6 Performance-Based Design Option
6.1 General Requirements.
6.2 Risk Component and Acceptability.
6.3 Performance Criteria.
6.4 Design Scenarios.
6.5 Evaluation of Proposed Design.
Chapter 7 Dust Hazard Analysis (DHA)
7.1 General Requirements.
7.2 Criteria.
7.3 Methodology.
Chapter 8 Management Systems
8.1 Retroactivity.
8.2 General.
8.3 Operating Procedures and Practices.
8.4 Housekeeping.
8.5 Hot Work.
8.6 Personal Protective Equipment.
8.7 Inspection, Testing, and Maintenance.
8.8 Training and Hazard Awareness.
8.9 Contractors.
8.10 Emergency Planning and Response.
8.11 Incident Investigation.
8.12 Management of Change.
8.13 Documentation Retention.
8.14 Management Systems Review.
8.15 Employee Participation.
8.16 Storage of Oils, Flammable Liquids, and Liquefied Petroleum Gas (LP-Gas).
8.17 Warning Signs.
8.18 Miscellaneous Storage in Grain-Handling Facilities.
Chapter 9 Hazard Management: Mitigation and Prevention
9.1 Reserved.
9.2 Building Design.
9.3 Equipment Design.
9.4 Ignition Source Control.
9.5 Pyrophoric Dusts. (Reserved).
9.6 Dust Control.
9.7 Explosion Prevention/Protection.
9.8 Fire Protection.
Annex A Explanatory Material
Annex B Supplementary Information on Fire Protection
Annex C Supplementary Information on Fumigation
Annex D Employee Health and Safety
Annex E Schematics of Typical Pneumatic Conveying Installations
Annex F Checklist for Dust Hazard Analysis — Example for an Existing Facility
Annex G Informational ReferencesEC

This standard provides requirements applicable to agricultural and/or food processing facilities for managing or mitigating Šre and explosion hazards of combustible agricul‐ tural or food processing dusts or related particulate solids.