DOT 3A, DOT 3AA, DOT 3B, DOT 4B, DOT 4BA, DOT 4BW
For DOT 3A, DOT 3AA, DOT 3B, DOT 4B, DOT 4BA, DOT 4BW, test or inspection is External visual inspection; interval is at five-year intervals after the first inspection; condition or service qualifier is Anhydrous mono, di, trimethylamines that are commercially free from corroding components; regulation section is 49 CFR § 180.209, recorded from its source on 2026-08-06.
- Container specification
- DOT 3A, DOT 3AA, DOT 3B, DOT 4B, DOT 4BA, DOT 4BW verified
- Test or inspection
- External visual inspection our reading
- Interval
- at five-year intervals after the first inspection verified
- Condition or service qualifier
- Anhydrous mono, di, trimethylamines that are commercially free from corroding components verified
- Regulation section
- 49 CFR § 180.209 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
DOT 3A, DOT 3AA, DOT 3B, DOT 4B, DOT 4BA, DOT 4BW | Anhydrous mono, di, trimethylamines that are commercially free from corroding components.
— law.cornell.edu, retrieved 2026-08-06
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/180.209