ADR special packing provision PP31

UN 1131 packagings must be hermetically sealed.

For UN 1131 under P001, packagings must be closed hermetically.

Note. Appears only in P001.

Carried by 1 Table A entry

UN 1131

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P001, PP31, page 50.

Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.

ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.