Assertion: carbon black | /r/HasProperty | classified by the international agency
Facets:
value: for research on cancer
type: OTHER
value: as a group 2b carcinogen
type: OTHER
Source sentences:
text: Although carbon black is classified by the International Agency for Research on Cancer (IARC) as a Group 2B carcinogen (possibly carcinogenic to humans) based on "sufficient evidence" in animals and "inadequate evidence" in humans, recent evidence indicates that the phenomenon of carcinogenicity in the rat lung is species-specific, resulting from persistent overloading of the rat lung with poorly soluble particles <1.0 micrometer in diameter.