DOT-8 series
For DOT-8 series, test or inspection is Shell (visual inspection) requalification; interval is 10 years; condition or service qualifier is On or after January 1, 1991; regulation section is 49 CFR § 180.209, recorded from its source on 2026-08-06.
- Container specification
- DOT-8 series verified
- Test or inspection
- Shell (visual inspection) requalification our reading
- Interval
- 10 years verified
- Condition or service qualifier
- On or after January 1, 1991 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
Each owner of a DOT-8 series cylinder used to transport acetylene must have the cylinder shell and the porous filler requalified in accordance with CGA Pamphlet C-13 (IBR, see <https://www.law.cornell.edu/cfr/text/49/171.7> § 171.7 of this subchapter). Requalification must be performed in accordance with the following schedule: Date of cylinder manufacture | Shell (visual inspection) requalification | Porous filler requalification | Initial | Subsequent | Intial | Subsequent | Before January 1, 1991 | Before January 1, 2001 | 10 years | Before January 1, 2011 | Not required. | On or after January 1, 1991 | 10 years 1 | 10 years | 5 to 20 years 2 | Not required.
— law.cornell.edu, retrieved 2026-08-06
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/180.209