Ask X3What does 49 CFR 173.140 (Class 9—Definitions) require?
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According to 49 CFR 173.140, a miscellaneous hazardous material (Class 9) is defined as a material that presents a hazard during transportation while not meeting the definition of any other hazard class.
Specifically, under 49 CFR 173.140, this class includes:
* Any material with properties (such as anesthetic or noxious qualities) that could cause extreme annoyance or discomfort to a flight crew member, thereby preventing them from correctly performing their duties.
* Any material that meets the definition in § 171.8 for an elevated temperature material, a hazardous substance, a hazardous waste, or a marine pollutant.