Regulationhistorical
49 CFR 193.2161
Dikes, general.
Snapshot 2016-10-01 Government source
eCFR editorial compilationAuthoritative but unofficial
View source An outer wall of a component served by an impounding system may not be used as a dike unless the outer wall is constructed of concrete.
[Amdt. 193-17, 65 FR 10959, Mar. 1, 2000]