Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 179.220-4: -4 Insulation.

Where this section sits in the code

Title 49—Transportation
Subtitle B—Other Regulations Relating to Transportation
CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)

The annular space between the inner container and the outer shell must contain an approved insulation material.

Collected 2026-08-27T02:26:34Z. Source file · JSON