Just make sure you don't use Granite counter top especially those from China. Bet many people don't know hey emit radiation, me included. I only knew this is a problem when I was checking out the many outlandish claims by Pakatan against Lynas and found a lot of what they said are utter rubbish said to scare people to vote for them.

http://www.epa.gov/rpdweb00/tenorm/granite-countertops.html

http://www.nytimes.com/2012/03/29/opinion/...th-us.html?_r=0