Paragraph 4 Meaning of “hazardous substance”
A hazardous substance is any substance or group of substances that are toxic, persistent and liable to bio-accumulate, or that give rise to an equivalent level of concern.
This includes in particular the following when they meet the criteria in sub-paragraph (1)—
organohalogen compounds and substances which may form such compounds in the aquatic environment;
organophosphorous compounds;
organotin compounds;
substances and preparations, or the breakdown products of such, which have been proved to possess carcinogenic or mutagenic properties or properties which may affect steroidogenic, thyroid, reproduction or other endocrine-related functions in or via the aquatic environment;
hydrocarbons and organic substances;
cyanides;
metals (in particular, cadmium and mercury) and their compounds;
arsenic and its compounds;
biocides and plant protection products.
The regulator must publish a list of substances that it considers to be hazardous substances.