Minnesota Administrative Rules
Agency 105 - Agriculture Department
Chapter 1513 - ANHYDROUS AMMONIA
RAILROAD TANK CARS
Part 1513.0630 - MARKING AND PLACARDING

Subpart 1. General requirement.

Each tank car, whether empty or loaded, must be marked with the proper shipping name, "ANHYDROUS AMMONIA," and "INHALATION HAZARD" in letters at least four inches in height with at least a 5/8-inch stroke. Separation between each letter must be at least 3/4-inch. The markings must be displayed on a background of sharply contrasting color on both sides of the tank car and near the stenciled DOT specification markings. Each tank car must also be marked with the UN identification number, 1005, on each side and each end in a manner prescribed by DOT regulations. Tank cars must be marked in compliance with DOT regulations.

Subp. 2. Transportation of ammonia or residue.

Each tank car transporting ammonia must be provided with placarding in accordance with DOT requirements on each side and each end in accordance with DOT regulations. A tank car transporting a residue of ammonia must be provided with "RESIDUE" placards on each side and each end in accordance with DOT regulations.