(a)
Text with EEA relevance.
a substance used for laboratory-scale research or as a reference standard;
← art_4__para_1__text_1 · All articles · art_4__para_1__point_a__text_1 →
Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.