David,
Concern about radon gas is not new. Back in the 70s when I was working at Carlsbad Caverns, the level of radon in the public areas of the cave was tested daily. And they'd been doing that for several years by '76.Their statistics showed that the concentration of radon gas seemed to be
Just when you think you have learned everything about
caving, someone comes along and adds more to learn.
In the most recent issue of the NSS Journal ( April 2007 ),
there is an interesting article about the potential for cavers to be
exposed to radiation, which could lead to cancer.
Part of the
Obviously if your in the basement or a cave - you are exposed to radon.
Calculus is what you get on your teeth if you don't brush and floss
frequently enough.
Shoot - I thought there was some kind of deep caving MATHEMATICS involved
and you were about to dissertate!
-WaV
Although, the article
