Reference Source

MC 330 and MC 331

For MC 330 and MC 331, test or inspection is Leakage Test; interval is 2 years; condition or service qualifier is in chlorine service; regulation section is 49 CFR § 180.407, recorded from its source on 2026-08-10.

Container specification
MC 330 and MC 331 verified
Test or inspection
Leakage Test our reading
Interval
2 years. verified
Condition or service qualifier
in chlorine service verified
Regulation section
49 CFR § 180.407 verified
Sourcelaw.cornell.edu
Verified
Review by
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

Leakage Test: | | | MC 330 and MC 331 cargo tanks in chlorine service | September 1, 1991 | 2 years.

law.cornell.edu, retrieved 2026-08-10

Source

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