Under JT/T 617.6 and the Provisions on the Administration of Road Dangerous Goods Transport (MOT Order 2013 No. 2, as amended), what is the absolute restriction regarding transporting Class 6.1 Toxic Substances or Class 6.2 Infectious Substances together with foodstuffs (食品) or animal feed?

1. They are strictly prohibited from being transported in the same vehicle compartment or container with food, beverages, medicines, or animal feed under any circumstance
2. They may be co-loaded if the food items are placed directly on top of the toxic chemical drums
3. They may be co-loaded if the driver washes their hands before driving
4. They may be co-loaded as long as the food is consumed within 24 hours of delivery