Regulation 3 Meaning of “hazardous substance”
A hazardous substance is any substance or group of substances that are toxic, persistent and liable to bio-accumulate.
This includes in particular the following when they are toxic, persistent and liable to bio-accumulate—
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;
persistent hydrocarbons and persistent and bioaccumulable organic toxic substances;
cyanides;
metals (in particular cadmium and mercury) and their compounds;
arsenic and its compounds;
biocides and plant protection products.
The Agency must publish a list of substances that it considers to be hazardous substances.