Reference Source

3AL

For 3AL, test or inspection is Periodic requalification; interval is 5 or 12; minimum test pressure is 5/3 times service pressure; regulation section is 49 CFR § 180.209, recorded from its source on 2026-08-06.

Container specification
3AL verified
Test or inspection
Periodic requalification our reading
Interval
5 or 12 verified
Minimum test pressure
5/3 times service pressure 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

3AL | 5/3 times service pressure | 5 or 12 (see <https://www.law.cornell.edu/cfr/text/49/180.209#j> § 180.209(j) and (m) 4 ).

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

Source

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.