Antigenicity against benzo(a)byrene diol epoxide-DNA adducts has been
demonstrated in peripheral blood lymphocytes of roofers (1).
Both an extract of road-surfacing bitumen and its emissions were mutagenic to Salmonella, whereas, in another study, 'asphalt tar' from an asphalt concrete used for road surfacing was not (2).
Bitumen-based paints for pipe coating were not mutagenic to Salmonella (3).
1) Shamsuddin, AKM et al., Cancer Res., 45, 66-68 (1985)
2) Tamakawa, K et al., Sendai-shi Eisei Shikenshoho, 13, 246-257 (1983)
3) Robinson, M et al., J. Appl. Toxicol., 4, 49-56 (1984)(IARC Monographs, 35, 39, 1985):
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