Toxic Chemical Substances

atomic number 86 in the home office gives Ameri derrieres more shaft exposure than all other sources of radiation combined (Cohen: 5). Radon enters the home from the soil underneath and attached to the compriseations, basement, or slab. Some methods of construction atomic number 18 more tri only whenary to allowing atomic number 86 to enter than others. The "French drain" technique in cellar construction, for instance, includes an intentional gap left between the cellar walls and the slab floors to form a drainage path for condensation. This provides an unintentional but clear pathway for radon to enter the home (Cohen: 129). Radon fuck be defeated by plugging up entryways for the attack and by reversing the direction of gas flow to slay radon from a structure, and several different methods atomic number 18 utilize to complete this (Cohen: 137).

Lead is a poisonous element and one of the heavy metals, and it is widely used in industry because it can be shaped into many forms. Lead is used to line com coucher memory tanks and pipes, and it is alike used in paper, in the making of auto batteries, and in some gasolines to prevent the knocking sound as the engine runs. Lead is also used as billet of botherts, glazes, solder, and glass. In most paints, send is now prohibited since the peril has been made apparent, but old lead paint on walls remains a serious problem. It can give lead poisoning, particularly to children and animals because they tend to

Greenfield, E. J. (1987). accommodate Dangerous. New York: Vintage Books.

Poorly ventilated rooms can become incubators for a variety of germs, and the germs are then parcel out by circulating air. Germs can build up in heating and cooling systems, spreading infections including serious diseases such as Legionnaires' Disease, named for a group of American Legion members who became ill in 1976 from bacteria spawned by an air-conditioning system (Gay, 1988, p. 15).

Formaldehyde is a gene of various glues and fiberboards and other building materials.

Formaldehyde is one of a large number of organic agents that can be generated indoors, and its effects are irritation of the eyes, nose, and throat. Increasing concentrations of formaldehyde may be associated with irritation of the tracheobronchial tree, though this is not a common upshot of indoor exposure. Furniture, plywood, and paints also release variable amounts of formaldehyde which can lead to indoor concentrations that are significantly higher than those found outdoors. Levels are usually higher in mobile homes because they are small and more airtight, and in addition more of their materials may generate formaldehyde. Concentrations also increase directly with temperature and humidity. Formaldehyde is an segment in fabric sizing. The easiest way to reduce indoor exposures is to remove the source material whenever possible (Schenker, 62-63). Formaldehyde polymers are also used in the manufacture of floor coverings and carpet backing. It is used in some carpet shampoos. Floor formaldehyde levels are almost always found to exceed outdoor levels (Greenfield, 1987, p. 28).

put everything into their mouths. In its mildest form, lead poisoning can resemble the flu, opus more severe cases show symptoms such as pain in the joints and abdomen and anemia, or a reduction in
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