3E

For 3E, test or inspection is Periodic requalification; minimum test pressure is Test not required; regulation section is 49 CFR § 180.209, recorded from its source on 2026-08-06.

Container specification: 3E verified
Test or inspection: Periodic requalification our reading
Minimum test pressure: Test not required verified
Regulation section: 49 CFR § 180.209 verified

Sourcelaw.cornell.edu

Verified2026-08-06

Review by2027-08-06

DatasetHow often hazmat cylinders, cargo tanks, IBCs and portable tanks must be retested

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

3E | Test not required

— law.cornell.edu, retrieved 2026-08-06

Source

law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/180.209

Last verified against source: 2026-08-06. Due for re-check by 2027-08-06. This page as Markdown · OKF bundle · full dataset as JSON.