49 C.F.R. § 179.220-14
Current through May 31, 2024
Openings in the inner container and the outer shell must be reinforced in compliance with AAR Specifications for Tank Cars, appendix E (IBR, see §171.7 of this subchapter). In determining the required reinforcement area for openings in the outer shell, t shall be one-fourth inch.
49 C.F.R. §179.220-14