As of 4 May 2018, organisations are to observe the revised occupational exposure limits (OELs) for 2495 substances. A Decree adopted on 13 February 2018 sets out maximum allowable concentrations (MACs) for 2495 harmful substances in the air of working zone.
The adopted revised OELs are compulsory for all types of organisations regardless of ownership and corporate structure.
The MACs have been set for NO2, HNO3, NF3, etc.
Law: Decree No. 25 of 13 February 2018 on the Adoption of the Hygienic Norms GN 126.96.36.19932-18 Maximum Allowable Concentrations of Harmful Substances in the Air of Working Zone