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> 
> A friend of mine is writing a paper on diving in hydrogen sulfide and he
> asked me if I can tell him any information on the issue.  The only thing I
> know about hydrogen sulfide is it tastes horrible and you need a
> non-leaking drysuit to dive in them.  Can someone supply some more
> information on the subject?  
> 
> 
> /********************************/
> /*   Jim Wei                    */
> /*   wei@cs*.fs*.ed*             */
> /*   Dept. of Computer Science  */
> /*   Florida State University   */
> /********************************/

Jim,

Hydrogen Sulfide is a flammable poisonous GAS with a characteristic odor
of rotten eggs and stinks badly at very low concentrations.  I don't know
how you "taste" it or dive in it though.  Perhaps you could elaborate a
bit.  When mixed with air at 4% to 46% it is also explosive.  It is
extremely hazardous and toxic.  Death from respiratory failure may come
within a few seconds after one or two inspirations.  It is an "insidious
poison" since the sense of smell may be fatigued and fail to give warning
of high concentrations.  This is not pleasant stuff.  How do you dive on it?

...hope this helps...Brian...

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