sanitary science,principles of health preservation, embracing hygienehygiene,
science of preserving and promoting the health of both the individual and the community. It has many aspects: personal hygiene (proper living habits, cleanliness of body and clothing, healthful diet, a balanced regimen of rest and exercise); domestic hygiene (sanitary
..... Click the link for more information. , on an individual level, and public healthpublic health,
field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities are engaged in many activities, including inspection of persons and goods entering the country
..... Click the link for more information. , on a communal level. Those who specialize in sanitary science are sanitary engineers. They endeavor to eliminate or reduce health hazards associated with the supply of water and milk, the collection and disposal of sewage and refuse, and the prevalence of rodents and insects. Conditions of noise, air pollution, and improper food handling that threaten the well-being of the public are also their concern. Sanitary engineers have had to develop methods for safely disposing of radioactive waste material at sea and on land. See solid wastesolid waste,
discarded materials other than fluids. In the United States in 1996, nearly 210 million tons—about 4.3 lb. (2 kg) per person daily (up from 2.7 lb./1.2 kg in 1960)—were collected and disposed of by municipalities.
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See G. E. Mitchell, Sanitation, Drainage and Water Supply (6th ed. 1960); E. S. Hopkins et al., Practice of Sanitation (4th ed. 1970); J. A. Salvato, Environmental Engineering and Sanitation (2d ed. 1972).
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