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Radon And Your Home

Are your countertops making you sick?

China set standards on granite countertop materials, banning the export of
lower radiation level granites. They grade granite countertop material into four
grades: A, B, C, and below C. Only grade A can be used inside a home.
Grades B, C, and below C are allowed to be exported or used outside of homes
in China.

Radiation will vary in different granite materials, so much so that the Chinese
enacted radiation standards years ago and actually prohibit the export of the
safer, lower radiation level granite. Think about that, any Chinese granite
imported into the United States or elsewhere is considered too dangerous to be

put in a Chinese dwelling.