study the document published by WHO, known as "Drinking Water Standard WHO"
Call your local dump.
Gold
metals. they rust, but aren't toxic
Heavy metals compounds have frequently toxic properties.
The study of the toxic effects of metals and metallic compounds on living organisms.
Yes
yes
Most heavy metals, but not all, are not even required by human body and they cause problems even in a very small concentration. They often take same pathways as essential nutrients and so cause toxic effects. They also bioaccumulate and biomagnify
it depends if it's toxic or not
Metals are used in medicine for diagnostic purposes. One example of this is cobalt. Metals can also be toxic. Metals such as mercury and copper can be harmful.
no yes, you can die from drinking a herbicide, it says right on the label that it is toxic
chelating agents work for toxic metals