Mutagen - List of Extremely Hazardous Substances - Biological warfare Nicotine - Theobromine - Carbon monoxide - Vitamin - Medicines Shellfish (Paralytic - Diarrheal - Neurologic
Toxic metal ( Lead - Mercury - Cadmium - Antimony - Arsenic - Beryllium - Iron - Thallium) - Fluoride - Oxygen Fixed Dose Procedure - LD 50 - Lethal dose