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More than 26% of Erie County homes tested for radon between 2010 and 2020 have detected high levels of the odorless, colorless, tasteless, and deadly gas.
Four (4.0) picocuries per liter is the "action level" above which remedial action should be taken, said Ryan Goelzhauser, a certified radon mitigation specialist with Popham Construction.
Under this modeling, the best policy is obviously to reduce the radon levels of all homes where the radon level is above average, because this leads to a significant decrease of radon exposure on a significant fraction of the population; but this effect is predicted in the 0–200 Bq/m 3 range, where the linear model has its maximum uncertainty ...
A typical radon test kit Fluctuation of ambient air radon concentration over one week, measured in a laboratory. The first step in mitigation is testing. No level of radiation is considered completely safe, but as it cannot be eliminated, governments around the world have set various action levels to provide guidance on when radon concentrations should be reduced.
In a working mine, the radon level can be controlled by ventilation, sealing off old workings and controlling the water in the mine. The level in a mine can go up when a mine is abandoned; it can reach a level which can cause the skin to become red (a mild radiation burn). The radon levels in some of the mines can reach 400 to 700 kBq m −3. [17]
The World Health Organization (WHO) sets the ideal indoor radon levels at 100 Bq/m-3. [97] In the United States, it is recommend to fix homes with radon levels at or above 4 pCi/L. At the same time it is also recommends that people think about fixing their homes for radon levels between 2 pCi/L and 4 pCi/L. [ 98 ] In the United Kingdom the ...
U.S. ZIP codes. Range 00801–00851. Uzbekistan: 13 May 2005 UZ: NNNNNN [30] Vanuatu: VU: no codes Vatican: VA: 00120 Single code used for all addresses. Part of the Italian postal code system. Venezuela: VE: NNNN, NNNN-A Vietnam: VN: NNNNNN First two indicate a province. Wallis and Futuna: WF: 986NN Overseas Collectivity of France. French ...
Developing evidence-based public health guidance for Member States to formulate policy and advocacy strategy including the establishment of radon action levels; Development of approaches for radon risk communication. To achieve these aims, WHO has formed a network of key partner agencies from some 40 Member States. This network is the basis for ...
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