NFPA 96 guidelines 5
https://extra-wiki.win/index.php/Why_Your_Restaurant_Needs_a_Professional_Hood_Cleaning_Service
NFPA 96 guidelines set the standard for commercial kitchen ventilation, covering hoods, ducts, and exhaust systems to prevent grease fires. These rules require regular cleaning schedules to reduce fire hazards, so kitchen operators must follow strict protocols for equipment maintenance and fire suppression. Many local codes enforce these standards during inspections, making compliance essential for restaurants.