‘substance’ means a chemical element and its compounds in the natural state or obtained by any production process, including any additive necessary to preserve the stability of the products and any impurity deriving from the process used, but excluding any solvent which may be separated without affecting the stability of the substance or changing its composition;
„snov“ pomeni kemični element in njegove spojine v naravnem stanju ali pridobljene v kakršnem koli proizvodnem postopku, vključno z vsemi dodatki, potrebnimi za ohranitev obstojnosti izdelkov, in vsemi nečistočami, ki nastanejo zaradi uporabljenega postopka, ne vključujejo pa topila, ki ga je mogoče izločiti, ne da bi se tako vplivalo na obstojnost snovi ali da bi se spremenila njena sestava;