49 C.F.R. § 176.160 Protection against weather.
Title 49 - Transportation
Any person loading or unloading packages containing Class 1 (explosive) materials shall take adequate measures to prevent these packages from becoming wet.
Title 49: Transportation
PART 176—CARRIAGE BY VESSEL
Subpart G—Detailed Requirements for Class 1 (Explosive) Materials
Precautions During Loading and Unloading
§ 176.160 Protection against weather.