Asarco's Unlikely Boon To The Environment

After reading the article "Asarco's unlikely boon to the environment" external arrow, answer these questions:

  1. In the context of the article, what are heavy metals?
  2. How many years did the Everett Asarco smelter operate?
  3. How much money has been allocated to clean-up the Everett smelter site and surrounding homes?
  4. Describe smelting.
  5. How long did it take people to realize there was arsenic and lead contamination in Everett?
  6. All together how many Everett house sites will need to be cleaned?
  7. Approximately how much money is spent yearly cleaning up the Hanford site?
  8. What might happen in 2090 at Hanford?
  9. What is high-level waste?
  10. If the price of copper hadn't risen, who would have had to pay for all the clean-up?