IAPMO IGC 150
Vacuum Sewage, Grease Waste and/or Condensate Collection Systems
This IGC applies to vacuum sewage, grease waste and condensate collection systems
which are designed to transport clear water and sanitary/sewage wastes, grey water,
black water or grease waste using a vacuum collection system. This IGC covers
definitions, general requirements, performance requirements, and marking for such
systems. Vacuum sewage, grease waste and condensate collection systems are
installed as an alternative to gravity plumbing.