Minn. R. 4660.8350
DIETARY AREA, NEW CONSTRUCTION
The dietary area shall be ventilated separately. Ventilation hoods shall be provided for ranges and other heat-producing equipment in addition to the general ventilation. Grease extractors or filters shall be provided. Filters and grease drip pans shall be easily removable for cleaning and replacement. A separate exhaust from the mechanical dishwasher shall not satisfy the requirement for general ventilation of the dishwashing area. Exhaust ducts shall be provided with access panels for cleaning.