date:May 21, 2013
t whether naturally occurring or due to pollution. Manufacturers are required to test, especially if sold in California under Proposition 65's guidelines.
There are areas throughout the world where industrial contamination has affected the soil and everything that grows from it can be infested with heavy metals. The Hunan Province of China, where rice is grown, is extremely polluted. However, China is a 3.7 million square mile country with rice fields all over, far away from polluted areas.
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