Application for Complex Permit for Integrated pollution prevention and control of Hydro-metallurgical Copper and Gold Production, “Chelopech Mining” EAD, Sofia, 2006;
Application for Complex Permit for Integrated pollution prevention and control of new TMF (for waste from Hydro-metallurgical Copper and Gold Production) of “Chelopech Mining” LTD, “Chelopech Mining” EAD, Sofia, 2006;
Application for Complex Permit for Integrated pollution prevention and control of “Instalation for batteries production and installation for waste batteries recycling” Monbat AD, 2009