33 C.F.R. § 157.132 Cargo tanks: Hydrocarbon vapor emissions.
Title 33 - Navigation and Navigable Waters
Each tank vessel having a COW system under §157.10a(a)(2) or §157.10c(b)(2) without sufficient segregated ballast tanks or dedicated clean ballast tanks to allow the vessel to depart from any port in the United States without ballasting cargo tanks must have— (a) A means to discharge hydrocarbon vapors from each cargo tank that is ballasted to a cargo tank that is discharging crude oil; or (b) Any other means accepted by the Commandant that prevents hydrocarbon vapor emissions when the cargo tanks are ballasted in port. [CGD 77–058b, 45 FR 43709, June 30, 1980, as amended by CGD 82–28, 50 FR 11628, Mar. 22, 1985]
Title 33: Navigation and Navigable Waters
PART 157—RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK
Subpart D—Crude Oil Washing (COW) System on Tank Vessels
Design, Equipment, and Installation
§ 157.132 Cargo tanks: Hydrocarbon vapor emissions.
