送交者: HunHunSheng 于 2006-1-18, 13:45:01:
回答: 注意你家的RADON(氡气)含量,致这里的稳拿/路涩们: 由 varyeagle 于 2006-1-18, 13:33:14:
In many states, by law, the seller has to disclose this infor is the level is above EPA standard. And when you
do the inspection, it should be on your inspection report. Then you should test it periodically, say, every 2 years, depending on your initial values.