NFPA 68 : 2018

Chapter 1 - Administration
Chapter 2 - Referenced Publications
Chapter 3 - Definitions
Chapter 4 - General Requirements
Chapter 5 - Performance-Based Design Option
Chapter 6 - Fundamentals of Venting of Deflagrations
Chapter 7 - Venting Deflagrations of Gas Mixtures and
             Mists
Chapter 8 - Venting of Deflagrations of Dusts and
             Hybrid Mixtures
Chapter 9 - Venting of Deflagrations of Gases and Dusts
             in Pipes and Ducts Operating at or Near
             Atmospheric Pressure
Chapter 10 - Details of Deflagration Vents and Vent
             Closures
Chapter 11 - Inspection and Maintenance
Annex A - Explanatory Material
Annex B - Fundamentals of Deflagration
Annex C - Guidelines for Measuring Deflagration
          Parameters of Dusts
Annex D - Deflagration Characteristics of Select
          Flammable Gases
Annex E - Estimating Fundamental Burning Velocity
Annex F - Deflagration Characteristics of Select
          Combustible Dusts
Annex G - Calculation Method for Correction Factor
          Due to Increased Vent Panel Mass
Annex H - Research Reports and Supporting
          Documents
Annex I - Full and Partial Volume Gas Venting of a
          Building - Example Problem
Annex J - Effect of Dust Partial Volumes on Venting
          of Buildings - Example Problem
Annex K - Bibliography
Annex L - Informational References
Index

Gives the user with criteria for design, installation, and maintenance of deflagration vents and associated components.