DOT 3A, DOT 3AA, DOT 3A480X, DOT 4AA480
For DOT 3A, DOT 3AA, DOT 3A480X, DOT 4AA480, test or inspection is External visual inspection; interval is at five-year intervals after the first inspection; condition or service qualifier is Anhydrous ammonia of at least 99.95% purity; regulation section is 49 CFR § 180.209, recorded from its source on 2026-08-06.
- Container specification
- DOT 3A, DOT 3AA, DOT 3A480X, DOT 4AA480 verified
- Test or inspection
- External visual inspection our reading
- Interval
- at five-year intervals after the first inspection verified
- Condition or service qualifier
- Anhydrous ammonia of at least 99.95% purity 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 3A480X, DOT 4AA480 | Anhydrous ammonia of at least 99.95% purity.
— law.cornell.edu, retrieved 2026-08-06
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/180.209