Chemical Engineering - Environmental Engineering - Discussion
Discussion Forum : Environmental Engineering - Section 6 (Q.No. 31)
31.
Beyond what concentration of H2S in air, acute danger to human life exists ?
Discussion:
4 comments Page 1 of 1.
Parth said:
7 years ago
800 ppm is the lethal concentration for 50% of humans for 5 minutes' exposure (LC50).
The Concentrations over 1000 ppm cause immediate collapse with loss of breathing, even after inhalation of a single breath.
The Concentrations over 1000 ppm cause immediate collapse with loss of breathing, even after inhalation of a single breath.
Santhoah said:
8 years ago
IDLH (immediate danger to life and health) of H2S is 300ppm.
Option: C is correct.
Option: C is correct.
Beedee said:
8 years ago
The correct answer is 100. Type IDLH for H2S.
Shomin said:
3 years ago
100 ppm is also harmful for human.
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