This procedure establishes a uniform method of determining the burn rate of automotive materials, component parts, portions of parts, composites and surrogate plaques used in passenger cars, multipurpose passenger vehicles, trucks and buses as defined in the Federal Motor Vehicle Safety Standard No. 302 (*), Canadian Motor Vehicle Safety Standard No. 302 (*), Engineering Design and Test Standard DD 0.00-127 (*), and/or the more stringent requirement such as DNI (Does Not Ignite), etc., sometimes imposed by Ford Motor Company upon the material for specific applications.