IARC has classified paving asphalt fumes as a Class 2B possible carcinogen, indicating inadequate evidence of carcinogenicity in humans.
ˈaɪɚk hɐz klˈæsᵻfˌaɪd pˈeɪvɪŋ ˈæsfɔlt fjˈuːmz æz ɐ klˈæs tˈuː bˈiː pˈɑːsᵻbəl kˈɑːɹsɪnədʒən, ˈɪndᵻkˌeɪɾɪŋ ɪnˈædɪkwət ˈɛvɪdəns ʌv kˌɑːɹsɪnoʊdʒˌɛnˈɪsᵻɾi ɪn hjˈuːmənz.