1.   Thousands of workers were employed by the plants during the decades that the recycled uranium was processed.

2.   Recycled uranium is more harmful than mined uranium because it has been processed in a reactor, where it becomes contaminated with plutonium and neptunium.

3.   The acid normally is used to remove impurities from recycled uranium left over from fabricated fuel pellets.

4.   The material was mixed with recycled uranium metal from military reactors.