Together with its expert volunteer committees and members, HPDC is developing guidance for the following additional Special Conditions:

  • Metal alloys
  • Float glass
  • Ceramics
  • Reaction products
  • Material with CAS RN but no specific molecular structure
  • Defined substances without identifier
  • Plastics and polymers
  • Mixed hardware and fasteners
  • Form-specific hazards

If you are interested in participating in this effort, please contact Tristan Roberts, HPDC’s technical director, at