I know that residential kitchens are considered regularly occupied. However, one thing that doesn't always get consistently documented is how the area of the kitchen that is in an open floor plan (open to dining/living areas) get defined. Is it the outer extent of countertop surfaces or is the regularly occupied area actually to the face of the cabinetry, accounting for only the clear floor area where a user can walk around (areas of countertops whether against the wall or in an island/peninsula excluded)? Is this area handled the same for ventilation vs. views?