Regulationhistorical
49 CFR 179.220-14
Openings in the tanks.
Snapshot 2000-10-01 Government source
eCFR editorial compilationAuthoritative but unofficial
View source Openings in the inner container and the outer shell must be reinforced in compliance with AAR Specifications for Tank Cars, appendix E. In determining the required reinforcement area for openings in the outer shell, t shall be one-fourth inch.
[Amdt. 179-9, 36 FR 21341, Nov. 6, 1971]