46 C.F.R. § 154.701 Cargo pressure and temperature control: General.
Title 46 - Shipping
Except as allowed under §154.703, cargo tanks must: (a) Have their safety relief valves set at a pressure equal to or greater than the vapor pressure of the cargo at 45 °C (113 °F) but not greater than the MARVS under §154.405; or (b) Be refrigerated by a system meeting §154.702, and each refrigerated incompatible cargo refrigerated by a separate system.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Cargo Pressure and Temperature Control
§ 154.701 Cargo pressure and temperature control: General.
