It is estimated that five 25,800-gallon DOT tank cars carrying 8.6 pounds per gallon of vinyl chloride were spilled.

7. What is the volume of vinyl chloride spilled?

8. How many moles of vinyl chloride?

9. Brainstorm some ways to calculate the concentration of the spill in the Ohio River and see what you get (in ppb maybe?).

10.Why did officials decide to burn the chemicals? What happens when they burned the chemicals?

11.Do you think the water is safe to drink by the time it reaches Louisville? What is considered a safe amount of contaminants?