Tips & Warnings. Steam the tamales in a specified steamer basket. If you have a steamer pot or basket that does not use a stove top for heating, you will need to pour boiling water into the base of the pot and cover with a lid for 1 to 2 hours. Make reference to the instruction manual provided for your particular model to verify.
Arsenic is a trace element that occurs naturally in very small amounts in the diet. Its exact functions are not known. The estimated adult daily intake of arsenic from a typical diet is 12-50 mcg. A dietary requirement of 12-25 mcg/day has been suggested.
What is arsenic? Arsenic is an element in the Earthâs crust, and is present in water, air, and soil. It occurs both naturally in the environment and as a result of human activity, including from erosion of arsenic-containing rocks, volcanic eruptions, contamination from mining and smelting ores and previous or current use of arsenic-containing pesticides.