Makedonski Zavod za zdravstvenu zaštitu izvijestio je 2003, kad je fabrika još uvijek radila, da je Veles godišnje upijao 62.000 tone cinka, 47.300 tona olova i 120.000 tona sumpor-dioksida.
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.