What does BBZ stand for?

Babalia Creole Arabic - Language code (ETLW)

Benthic Boundary Zone (SAUS)

Bis-Benzimidazole perylene (SAUS)

Bradley Boat Repair Inc., Opa Locka, FL - Manufacturer code for watercraft hull identification number (USCG)

Zambezi - Zambia - Airport symbol (OAG)