C.F.R.
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Title 49
» 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)
49 C.F.R. § 179.220-1
Tanks built under these specifications must meet the requirements of §§ 179.220 and 179.221