On Mon, 28 Feb 2011 17:07:21 +0000,
(diadkinson) wrote Re radon
mitigation system:

I noticed the concrete floor is a little wet around the sump pump. Is the
sump pump not working as it should, causing the radon system to be sucking
water instead of radon gas?

It's a possibility worth checking into more closely.
--
Work is the curse of the drinking class.