I heard there is mercury in the water and fish/shellfish in the Pacific Northwest. Where does all the Mercury come from?
When elemental mercury is deposited into the air, soil or water. It often settles out and is most commonly found in alluvial sediments. Mercury is released into the environment from natural precesses like weathering of rocks and from volcanic eruptions. Its is also a product of anthropogenic activities such as incineration of waste, coal burning, mining and smelting. There are hundreds of other sources ranging from batteries and thermometers to drilling mud and municipal waste water.
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