Task: Translation
Input (Spanish): Los problemas medioambientales ligados a la incineración y a la descarga de estos deshechos son imputables fundamentalmente a la presencia de sustancias peligrosas (plomo, cadmio, cromo hexavalente, PVC y retardadores del fuego halogenados).
Output (English): The environmental problems stemming from the incineration and the dumping of such waste are mainly attributable to the presence of hazardous substances (lead, cadmium, mercury, hexavalent chrome, PVC and halogenated flame retarders).