By Ami Isseroff
Humans have a great capacity for accommodation. After you work in a barn for a while, you don't notice the smell. This normally adaptive capability can be lethal.
The most dangerous aspect of hydrogen sulfide results from olfactory accommodation and/or olfactory paralysis. This means that the individual can accommodate to the odor and is not able to detect the presence of the chemical after a short period of time. Olfactory paralysis occurs in workers who are exposed to 150 ppm or greater. This occurs rapidly, leaving the worker defenseless. Unconsciousness and death has been recorded following prolonged exposure at 50 ppm.
It took a series of barbaric bombings in March 2002 to finally bring a response by
The "cease fire" is only a few days old, but already, the Hamas have turned up the level of the Hydrogen Sulfide gas in the chamber. Palestinians fired a mortar shell into
Original content is Copyright by the author 2008.