ADR packing instruction P201

Heading in ADR: “P201 PACKING INSTRUCTION”

UN 3167-3169 gas samples: approved cylinders, or hermetically sealed glass/metal inners of 5 l (non-toxic) or 1 l (toxic) in PG III packagings.

Covers UN 3167, 3168 and 3169. Either cylinders and gas receptacles whose construction, testing and filling the competent authority has approved, or combination packagings: drums, boxes or jerricans of the listed types holding hermetically sealed glass or metal inner packagings, limited to 5 litres per package for non-toxic gases and 1 litre per package for toxic gases. The combination packagings must meet packing group III performance and the general rules of 4.1.1 and 4.1.3.

Limits
ValueApplies when
5 lmaximum capacity per package, non-toxic gases
1 lmaximum capacity per package, toxic gases
Permitted packagings
TypeCodePacking groupsMax capacity (L)Max net mass (kg)
cylinders and gas receptacles — inner: construction, testing and filling approved by the competent authority————
combination: drums — inner: hermetically sealed glass or metal1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1GIII——
combination: boxes — inner: hermetically sealed glass or metal4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2III——
combination: jerricans — inner: hermetically sealed glass or metal3A1, 3A2, 3B1, 3B2, 3H1, 3H2III——

Refers to: 4.1.1; 4.1.3.

Carried by 3 Table A entries

UN 3167 · UN 3168 · UN 3169

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P201, page 100.

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.