any physical or chemical agent ("mutagenic agent") significantly increasing mutational events and thus mutation rates above the spontaneous background level (antimutagen). Mutations resulting from treatment with such agents are called "induced mutations", as opposed to the normally occurring "spontaneous mutations"
Hazardous substances that are carcinogens, mutagens or toxic to reproduction or that may cause cancer, may cause heritable genetic damage, may cause cancer by inhalation, may impair fertility or may cause harm to the unborn child.