"Unfortunately, the condition in which we're finding our individuals eliminates any chance of a visual identification because of the condition in which they've been for so long -- ... in the water ... in their houses ... in the horrible muck, " Louis Cataldie, Louisiana's emergency medical response director, said recently.

CNN: 'My momma's body is on the roof'

"Rita scares us to death, at least it scares me to death, " Louisiana Emergency Response Medical Director Dr. Louis Cataldie told CNN.

CNN: 'Rita scares us to death'

Despite having professional medical staff available for emergency response, why are cruise ships not hiring professional lifeguards capable of recognizing the signs of a child drowning and preventing these tragedies?

FORBES: Do Deadly Distractions Lead To Drowning? - Parents Question Cruise Line Policy As Boy Remains In Coma

Additionally, many emergency management agencies, such as fire departments and emergency medical services, use TRI to identify chemicals in use and map facility layouts for a more effective, quicker response to emergencies.

WHITEHOUSE: Joshua Gotbaum Statement to House Management, Information, and Technology Subcommittee, 06/14/2000 | The White House