Assertion: hydrogen sulfide's concentration | /r/HasProperty | 0.01 milligram per liter
Facets:
Source sentences:
text: Its maximum permissible concentration in the air at industrial facilities is 0.01 milligram per liter (mg/l).
text: Its maximum permissible concentration in the air at industrial facilities is 0.01 milligram per liter (mg/l).