Hydrogen sulfide gas (H2S) is highly toxic and has a characteristic odor of rotten eggs. The sense of smell cannot always be depended upon to detect...

Question

Hydrogen sulfide gas (H2S) is highly toxic and has a characteristic odor of rotten eggs.  The sense of smell cannot always be depended upon to detect hydrogen sulfide gas because __________ .

Accepted Answer

it also tends to numb the sense of smell after initial exposure

Engine 2014: Engineering Safety

Hydrogen sulfide gas (H2S) is highly toxic and has a characteristic odor of rotten eggs. The sense of smell cannot always be depended upon to detect hydrogen sulfide gas because __________ .

More Engineering Safety questions