Ask X3What does 49 CFR 173.249 (Bromine) require?
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As Ask X3, your fleet-compliance assistant, here is what 49 CFR 173.249 requires for transporting bromine:
* Authorized Bulk Packagings: You may only use specific bulk packagings, subject to subparts A and B of part 173 and column 7 special provisions. These include:
* Tank Cars: Class DOT 105A300W or 105A500W tank cars (meeting specific criteria outlined in the regulation).
* Cargo Tank Motor Vehicles: Specification MC 310, MC 311, MC 312, or DOT 412.
* Portable Tanks: UN portable tanks (tank code T22) or IM 101 portable tanks.
* Filling Limits (Cargo Tanks): Except for residues, your total quantity in one cargo tank must be between 88% and 96% of the tank's volume.
* Filling Limits (UN/IM Portable Tanks): Except for residues, your total quantity in one portable tank must be between 88% and 92% of the tank's volume.
* Tank Material & Lining: Tanks must be made from nickel-clad or lead-lined steel plate on the inside:
* Nickel cladding must make up at least 20 percent of the required minimum total thickness and conform to ASTM B 162.
* Lead lining must be at least 4.763 mm (0.188 inch) thick.
* All equipment and appurtenances touching the lading must be lined or made from metal that does not deteriorate when it contacts the bromine.
* Filling Density & Capacity: Maximum filling density is 300 percent of the tank's water capacity, and the minimum is 287 percent. There are also strict limits on maximum water capacity and maximum quantity of lading depending on the specific tank car model (e.g., DOT 105A300W and 105A500W).
* Shell and Head Thickness: For cargo tank motor vehicles and portable tanks, the tank shell and head thickness must be at least 9.5 mm (0.375 inch), excluding any lead lining.
Please review 49 CFR 173.249 to ensure your specific equipment and filling procedures fully match these requirements.