Haz-Map is an occupational health database designed for health and safety professionals and for consumers seeking information about the health effects of exposure to chemicals and biologicals at work. Haz-Map links jobs and hazardous tasks with occupational diseases and their symptoms. It is one of the products and services made available by the National Library of Medicine's (NLM) Toxicology and Environmental Health Information Program. Chemicals and biological agents in Haz-Map are linked to industrial processes and other activities such as hobbies. Occupational diseases and their symptoms are associated with hazardous job tasks and possible exposure to hazardous agents.