08-29-2013, 10:51 AM
EPA on Radon --- concrete a large source as well - it was trendy to check concrete residential structures a while back - all exposures do add up 'cepting Bananas - grin
http://www.epa.gov/radon/
radon factsheet: http://www.radon.com/radon/radon_facts.html
"PRODUCTION: Radon is not produced as a commercial product. Radon is a naturally occurring radioactive gas and comes from the natural breakdown (radioactive decay) of uranium. It is usually found in igneous rock and soil, but in some cases, well water may also be a source of radon."
much more dense than air - settles in low spots like......... short leap to how much radon in PGV emissions - any studies or insight? - thx
http://www.epa.gov/radon/
radon factsheet: http://www.radon.com/radon/radon_facts.html
"PRODUCTION: Radon is not produced as a commercial product. Radon is a naturally occurring radioactive gas and comes from the natural breakdown (radioactive decay) of uranium. It is usually found in igneous rock and soil, but in some cases, well water may also be a source of radon."
much more dense than air - settles in low spots like......... short leap to how much radon in PGV emissions - any studies or insight? - thx