Assertion: methane | /r/HasProperty | asphyxiant
Facets:
value: in an enclosed space
type: LOCATION
Source sentences:
text: Methane is also an asphyxiant if the oxygen concentration is reduced to below about 16% by displacement, as most people can tolerate a reduction from 21% to 16% without ill effects.
text: Methane is an asphyxiant and may displace oxygen in a workplace atmosphere" , so it's perfectly safe to breathe methane "on the patio, in the car, or on the boat -- wherever good times are had" as long as it's not at work where employer liability make methane deadly !
text: Methane is an asphyxiant and may displace oxygen in a workplace atmosphere.
text: Methane is also an asphyxiant and may displace oxygen in an enclosed space.
text: Methane can be an asphyxiant in an enclosed space.