According to the CDC, it takes less than a minute for E. coli to be inactivated if chlorine levels are adequate, about 16 minutes to control Hepatitis A virus, about 45 minutes to kill off the Giardia parasite and over 10 days for a Crypto parasite.

CNN: Yuck! What's in your pool water

Just a few days ago, the hedge fund industry won a behind-the-scenes war to kill a bill that would have plugged a loophole that funnels billions of dollars into the pockets of some of the highest-paid people in America.

CNN: Edwards' October 13, 2007, speech on restoring democracy

So if I am going through a disease or treatment that may kill me, I want to use my last days wisely.

FORBES: Are You Ready For The End Of Life?

From that point, it will take another few days to permanently seal the well with mud and cement from below in what's called a "bottom kill" procedure.

CNN: STORY HIGHLIGHTS

He said he decided to break his silence after watching a "CNN Presents" documentary, "Shoot to Kill, " about the days after Katrina hit the Gulf Coast on August 29, 2005.

CNN: STORY HIGHLIGHTS