About: high level of pollutant

Premodifier: high
Head noun: level
Postmodifier: of pollutant

Same concepts

Broader concepts

label	provenance	confidence
gas	isap:323713359	0.410944

Narrower concepts

label	provenance	confidence
polychlorinate biphenyl pcbs	isap:91458896	0.825898
heavy metal	isap:374315627	0.804065
arsenic	isap:36819537	0.574211