radon daughters

radon daughters

ions that are decay products of radon. They are regarded as a potential health hazard by the U.S. Environmental Protection Agency because they tend to adhere to surfaces, such as the alveoli of the lungs, where they can cause ionizing radiation damage.
References in periodicals archive ?
Relationship of radioactive radon daughters and cigarette smoking in the genesis of lung cancer in uranium miners.
Evaluation of occupational and environmental exposures to radon and radon daughters in the United States.
Harmful levels of radon and radon daughters (a decay product) can accumulate, especially in airtight or small spaces such as basements and crawl spaces.
OF ENVIRNOMENTAL RADON DAUGHTERS IN THE ETIOLOGY OF
In Landor's Tower as in previous novels such as White Chappell Scarlet Tracings, Downriver, and Radon Daughters, discrete narratives begin on parallel tracks and, contrary to all our assumptions, converge.
By seeding the air with copious quantities of respirable aerosols, says Johnson, smokers apparently enable radon daughters to prolong their stay in the air, where they remain available for inhalation.
Some of the radon daughters decay by the emission of high energy alpha particles which can kill as many as two cells in their path; the damage which may be only increased in conjunction with other possible environmental factors such as viruses.
Another HEALTH PHYSICS report from researchers at Georg August University in Gottingen, West Germany, indicates that the tiny fraction of radon daughters that don't attach to airborne dust in relatively clean rooms is three times higher than the value ordinarily used to estimate radiation doses to room occupantS.
Using the known characteristic alpha energy of each radon daughter, they established that roughly one-quarter of the alpha radiation in the buildings' air had been emitted by daughters of radon-220.
While the monitors showed little or no radium contamination, "we did find a lot of radon daughters deposited in and on the people.
A major mechanism for removing radon daughters from the breathable air is their adherence to walls and furniture; the more slowly they move, the longer they take to reach a wall.