ADR special packing provision PP94

Very small energetic samples (2.1.4.3) under UN 3223/3224: microtiter plates in boxes, 0.01 g/ml per cavity, 20 g/ml per package.

Very small quantities of energetic samples as described in 2.1.4.3 may be carried under UN 3223 or UN 3224 if the listed conditions are all met. The outer packaging must be a box of one of the listed types in a combination packaging, and the samples sit in plastics, glass, porcelain or stoneware microtiter or multi-titer plates. Each cavity holds at most 0.01 g (solid) or 0.01 ml (liquid), and each outer packaging at most 20 g or 20 ml, or a combined total of 20 for mixed packing. Where dry ice or liquid nitrogen serves as coolant, 5.5.3 applies, interior supports must hold the inners in place, and both inner and outer packagings must withstand the refrigerant temperature and the conditions if cooling is lost.

Limits
ValueApplies when
0.01 gmaximum per inner cavity, solids
0.01 mlmaximum per inner cavity, liquids
20 gmaximum net per outer packaging, solids
20 mlmaximum net per outer packaging, liquids

Conditions

Note. Appears only in P520. PP95 is the companion provision for larger "small" sample quantities.

Refers to: 2.1.4.3; 5.5.3.

Carried by 2 Table A entries

UN 3223 · UN 3224

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P520, PP94, page 123.

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.