Assertion: hydrogen sulfide | /r/HasProperty | confined feeding operation
Facets:
value: in alberta
type: LOCATION
value: over a 14-month period
type: TEMPORAL
Source sentences:
text: Hydrogen sulfide was measured both upwind and downwind of a beef cattle, a dairy cattle, a poultry and a swine confined feeding operation (CFO) in Alberta over a 14-month period (Alberta Government 2011).