Polycyclic aromatic hydrocarbon (PAH) levels in environmental media potentially impacted by reused or stored creosote-treated railway ties.

Disused creosote-treated railway ties are reused in France and many other countries and, in particular, for landscaping and other residential uses. Given the lack of data on the environmental fate of creosote-derived compounds released from used railway ties, a survey of different environmental media (i.e.