Now you see it… Now you don’t! Watch a DOT 412 Trailer disappear before your eyes and no it is NOT a magic trick! It is imperative to properly follow the Hazardous Materials Regulations. Improperly shipped hazardous materials can sometimes end with a catastrophic failure. In this case, a corrosive material was placed in an incompatible aluminum cargo tank for shipment. The company involved paid a $120,200 civil penalty for not following the regulations.