49 Transportation 2 1999-10-01 1999-10-01 false Insulation. 179.300-4 Section 179.300-4 Transportation Other Regulations Relating to Transportation HAZARDOUS MATERIALS REGULATIONS SPECIFICATIONS FOR TANK CARS Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW)
ยง 179.300-4 Insulation.

(a) Tanks shall not be insulated.

(b) [Reserved]