StacksVerified U.S. regulatory reference

46 CFR §153.1112

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Unless § 153.1114 allows the prewash to be omitted, a cargo tank that unloads a Category A NLS cargo must be prewashed following the procedures in § 153.1120.