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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.
To achieve these aims, WHO has formed a network of key partner agencies from some 40 Member States. This network is the basis for the WHO International Radon Project which was launched in 2005. Working groups will collect and analyse information on radon risk, radon policies, radon mitigation and prevention as well as risk communication.
Radon is a major cause of cancer; it is estimated to contribute to ~2% of all cancer related deaths in Europe. [1] Radium, like radon, is radioactive and is found in small quantities in nature and is hazardous to life if radiation exceeds 20-50 mSv/year. Radium is a decay product of uranium and thorium. [2]
In this 2018 map by the N.H. Department of Transportation, the Lakes Region (in darker blue) is located in the east-central portion of the state. The Lakes Region of New Hampshire is located in the east-central part of the state, south of the White Mountains Region and extending to the Maine border.
Maine and NH have experienced an “extraordinarily wet summer," causing tree stress due to increased soil saturation, flooding, and nutrient runoff. Here's how much rain NH and Maine have seen in ...
SR 16 runs from the New Hampshire state line (signed as NH-16) at Wentworth Location (near Lake Aziscohos) in the west to Orono at the eastern terminus. State Route 16 runs a total of 190 miles (310 km), passing mostly through rural areas, with the largest population center at its eastern terminus in Orono at Interstate 95 (I-95).
Radon soil concentration has been used to map buried close-subsurface geological faults because concentrations are generally higher over the faults. [118] Similarly, it has found some limited use in prospecting for geothermal gradients. [119] Some researchers have investigated changes in groundwater radon concentrations for earthquake prediction.
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