12 Jul '11, 1am

@Mihoko_Nojiri: ラドンは肺がんのリスク要因ですが。RT @lalahearttwit @hirokagi ラドン温泉はどうなるの?あれ健康にいいって宣伝だったんだけど・・・。

Follow the instructions that come with your test kit. If you are doing a short-term test, close your windows and outside doors and keep them closed as much as possible during the test. Heating and air-conditioning system fans that re-circulate air may be operated. Do not operate fans or other machines which bring in air from outside. Fans that are part of a radon-reduction system or small exhaust fans operating only for short periods of time may run during the test. If you are doing a short-term test lasting just 2 or 3 days, be sure to close your windows and outside doors at least 12 hours before beginning the test, too. You should not conduct short-term tests lasting just 2 or 3 days during unusually severe storms or periods of unusually high winds. The test kit should be placed in the lowest lived-in level of the home (for example, the basement if it is frequently used,...

Full article: http://www.epa.gov/radon/pubs/citguide.html

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epa.gov 12 Jul '11, 1am

Follow the instructions that come with your test kit. If you are doing a short-term test, close your windows and outside d...

Sustainability Research at EPA

Sustainability Research at EPA

epa.gov 09 Jul '11, 8pm

You are here: EPA Home Research Toward Sustainability: The True North of EPA Research Executive Message GEMS EPA Partner N...