46 C.F.R. § 64.89 Cargo pump unit.
Title 46 - Shipping
(a) A cargo pump unit that fills or discharges a portable tank must be— (1) Constructed of materials that are compatible with the product to be pumped; and (2) Designed to be compatible with the hazard associated with the product to be pumped. (b) The cargo pump power unit must be— (1) Diesel; (2) Hydraulic; (3) Pneumatic; or (4) Electric. (c) The starting system for a cargo pump power unit must be designed to be compatible with the hazard associated with the product to be pumped. (d) A diesel engine that is used to drive a cargo pump must have a spark arrestor on the exhaust system.
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart F—Cargo Handling System
§ 64.89 Cargo pump unit.