ISA 12.10 : 1988

1 Purpose
2 Scope
3 Definitions
4 Dust explosion parameters and variables
  4.1 The nature of a dust explosion
  4.2 Dust dispersion mechanics and control
  4.3 Dust cloud ignition
  4.4 Dust layer ignition
5 Procedures for the classification of various areas
  of existing plants
  5.1 Division 1 locations
  5.2 Division 2 locations
  5.3 Unclassified locations
6 Procedures for the classification of various portions
  of new process areas during the design stage
7 References
Appendix A

Describes a location based on its dust cloud concentration, its accumulated combustible dust layer thickness, and its dust bulk resistivity; it also contains references to, and data on, the explosivity of common dusts, as well as references to laboratory equipment and test procedures for evaluating the explosivity of dusts.