The Macedonian Institute for Health Protection reported in 2003, when the factory still operated, that Veles was absorbing 62,000 tonnes of zinc, 47,300 tonnes of lead and 120,000 tonnes of sulphur dioxide annually.
Makedonski Institut za zaštitu zdravlja saopštio je 2003. godine, dok je fabrika još radila, da Veles godišnje apsorbuje 62.000 tona cinka, 47.300 tona olova i 120.000 tona sumpor dioksida.