A. A person who has knowledge and training in the storage, handling, transportation, operation and utilization of liquefied petroleum gas is not liable in any civil action for any damages that occur as a result of providing assistance without remuneration, on the request of any peace officer, fire company or department, first aid, rescue or emergency squad or other governmental agency or entity, in an accident or other emergency situation that involves the use, handling, transportation, transmission or storage of liquefied petroleum gas if the person was conscripted at the scene as a true volunteer.

B. This section does not apply to a person who causes the accident or emergency situation or whose wilful, wanton or grossly negligent act or omission in response to the accident or emergency situation causes damage or for any vicarious liability.