If your house has failed a
radon air and/or water test, you have options available to you to reduce radon
levels to an acceptable level.
For Information on Radon
Removal and various techniques, the EPA has published an on-line booklet called
"How
To Reduce Radon Levels in Your Home"
.
Basement
piping of Radon air removal systems:

Pipes
going through the closets of a two story house:

U.S Radon 433 Water Aeration System:

Outside fan
with cover of Radon air removal system:

Outside fan
without cover of Radon removal system:

Attic fan of
Radon air removal system:
Pipes and fan
installed in garage:

Vent through
the Roof:
