*Stop+the+Oil+Spill*20

facts:
 * There are 42 gallons of oil in a barrel and the explosion of the BP Oil Spill spilt about 5,000 barrels of oil!
 * The BP Oil Spill happened because a rig blew up.
 * 2/3 of plankton is dying due to the oil spill.

Questions: I did not find an answer to this. If you find an answer please post on this wiki. Thank you. It could take anywhere from a couple months to a couple years.
 * How long after the oil spill did they find out it happened?
 * How long does it take to clean an oil spill up?