46 C.F.R. § 153.436 Heat transfer fluids: compatibility with cargo.
Title 46 - Shipping
A heat transfer fluid separated from the cargo by only one wall (for example, the heat transfer fluid in a coil within a tank) must be compatible with the cargo under the standards prescribed for compatibility between two cargoes in Part 150 of this chapter. [CGD 81–078, 50 FR 21174, May 22, 1985]
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment
Cargo Temperature Control Systems
§ 153.436 Heat transfer fluids: compatibility with cargo.

