Head noun: pcbs
| Same concepts | 
|---|
| http://dbpedia.org/resource/PCBS | 
Broader concepts
| label | provenance | confidence | 
|---|---|---|
| toxic chemical | isap:459705494 | 0.478784 | 
| level of environmental contaminant | isap:91458897 | 0.417609 | 
| toxin | isap:87289146 | 0.329605 | 
| contaminant | isap:417821530 | 0.261856 | 
| chemical | isap:459705496 | 0.246824 | 
| material | isap:457364231 | 0.242536 | 
| pollutant | isap:288650735 | 0.222106 | 
Narrower concepts
| label | provenance | confidence | 
|---|