Phase 3, which was separated into a, b, and c components was designed primarily to test commercial versions of the systems designed and tested in INGE Phase 2. The commercial version of the SAUNA (the SAUNA-II) is now being manufactured by Gammadata, Inc. and the SPALAX is being produced commercially by Environnement S.A, Radionuclides Division (formerly Societé Française d’Ingenierie: SFI).