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AUTHORITY: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.
Subpart B—General design requirements
Subpart C—Specifications for pressure tank car tanks (Classes DOT-105, 109, 112, 114, and 120)
Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)
Subpart E—Specifications for multi-unit tank car tanks (Classes DOT-106A and 110A-W)
Appendix A to Part 179—Procedures for tank-head puncture-resistance test
Appendix B to Part 179—Procedures for simulated pool and torch fire testing