Sec. 14-5.46. Use of liquid nitrogen and dry ice

For the purposes of this section, liquid nitrogen shall mean nitrogen in its cryogenic liquid form, which comes in direct contact with food or is used as a food additive. Dry ice shall mean carbon dioxide in its solid form, which comes in direct contact with food or is used as a food additive.

(a) Only food-grade liquid nitrogen or dry ice may be added to food.

(b) Liquid nitrogen, used in the preparation of food, is to be drained or allowed to evaporate completely prior to vending.

(c) Dry ice, used in the preparation of food, shall be sublimated completely or removed prior to vending.

(d) Liquid nitrogen or dry ice shall not be added to any food before service, such that a fog or smoke effect remains at time of service or is created during eating.