Miscellaneous hazardous material (Class 9) means a material which presents a hazard during transportation but which does not meet the definition of any other hazard class. This class includes:
Any material which has an anesthetic, noxious or other similar property which could cause extreme annoyance or discomfort to a flight crew member so as to prevent the correct performance of assigned duties; or
Any material that meets the definition in the Code of Federal Regulations Transportation (49) Part 171.8 for an elevated temperature material, a hazardous substance, a hazardous waste, or a marine pollutant.