Go to Homedepot buy a Radon test bar $10. Do it yourself

來源: webuser1 於 2017-12-20 06:05:33 [] [舊帖] [給我悄悄話] 閱讀數 : (89 bytes)
回答: 急問- 關於home inspection 由 每天一懶 於 2017-12-19 18:18:51

It's easy.  How old the house?  If over 20 years, no radon risk.

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