Who provides commercial insurnace coverage for owner on radioactive contamination?

Radioactive contamination is also known as radiological contamination. It is the deposition, or presence of radioactive substances on surfaces within solids, liquids, or gases. There presence is unintended or undesirable.

Nobelium is not found in nature. It is a synthetic radioactive element.

Radium, by a big margin. Radium has no isotopes that are not radioactive, but no naturally occurring isotopes of potassium or sodium are radioactive.

The unwanted presence of materials containing radioactive atoms on other materials.