In order to reduce the risk, current UK flask wagons are fitted with a lockable cover to ensure any surface contamination remains within the container, and all containers are tested before shipment, with those exceeding the safety level being cleaned until they are within the limit. A report in 2001 identified potential risks, and actions to be taken to ensure safety.
To reduce the risk of contamination, UK flask wagons now have secure covers to keep any surface impurities from escaping into the container, and all containers are thoroughly inspected before shipment, with those not meeting safety standards being cleaned until they meet the requirements. A 2001 report highlighted potential hazards and recommended measures to ensure security.