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

49 CFR 179.221-1: -1 Individual specification requirements.

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)

In addition to § 179.220, the individual specification requirements are as follows:

DOT specification Insulation Bursting pressure (psig) Minimum plate thickness (inches) Test pressure (psig) Bottom outlet Bottom washout Reference (179.221-***)

115A60ALW Yes 240 3⁄16 60 Optional. Optional

115A60W1 Yes 240 1⁄8 60 Optional Optional 1

115A60W6 Yes 240 1⁄8 60 Optional Optional 1

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

Browse this collection