EESA10H3 Study Guide - Comprehensive Final Exam Guide - Tobacco Smoking, Oxygen, Ionizing Radiation
Document Summary
Hazards: chemical hazards, biological hazards or biohazards, physical hazards. Environment: the complex natural system comprising all living things on the earth as well as the elements of the physical setting (air, water, soil, rock) in which they live. Hazards: a factor that causes harm or may cause harm. Chemical hazards: environmental hazards that are chemical in nature; many, but not all, are synthetic (manmade) organic chemicals. Secondary pollutants: photochemical smog, ozone (o3, acid rain, acid deposition. Methylmercury: an inorganic compound that occurs when elemental mercury reaches the. Lead: a neurotoxic heavy metal; associated with lead paint and lead pipes; was deliberately added to gasoline to improve engine performance (leaded gasoline also known as tetraethyl lead), this caused lead to be widespread in airborne particulate matter. Biological hazards or biohazards: hazards that stem from living things, most likely prominently agents of infectious disease. Physical hazards: hazards that stem from contact with some forms of energy; for example, radiation.