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Comparative assessment of hygienic regulations on the permissible concentration of chemical substances in the working zone air in the national and european regulation frameworks

ISSN 2223-6775 Ukrainian journal of occupational health Vol.16, No 3, 2020

Comparative assessment of hygienic regulations on the permissible concentration of chemical substances in the working zone air in the national and european regulation frameworks

Zazuliak T. S.

 

https://doi.org/10.33573/ujoh2020.03.223

Lviv National Medical University named after Danylo Halytskyi, Lviv

 

Full article (PDF), UKR

Introduction. The Association Agreement between Ukraine and the European Union provides for the implementation of directives on regulations for the permissible concentration of chemical substances in the air of the working area into domestic legal framework. The vast majority of domestic regulations are maximum one-time values, while most European standards, on the contrary, are calculated as the average concentration of a substance per work shift. Thus, there is a problem of comparing domestic and European standards, which differ in their content and volume.

The purpose of the study was to conduct a comparative assessment of the national and European hygienic regulations for the permissible concentration of chemical substances in the air of the working area and outline specific ways to implement them in the Ukrainian legal framework.

Materials and methods. The analysis of regulatory and methodological support to development and implementation of hygienic regulations for the permissible concentration of chemical substances in the air of the working area in the European Union and Ukraine.

Results. According to the research results, it is established that the EU and Ukrainian legislation in the field of work protection from exposure to chemical factors is aimed at developing preventive measures based on the dependence of the degree of impact of chemicals on workers' body on the concentration of a substance. 187 European regulations on occupational exposure limits for 134 substances or compositions should be implemented in the domestic legal framework, of these, 30 mandatory standards (BOEL and BLV), as well as 157 IOELVs. Among the total number of European standards, TWA amounts almost 69 %, and STEL – 30 %. Among them, only 51 regulations (27%) are comparable in content to domestic ones – 10 values are calculated as a time-weighted average, 41 – as short term. There are no corresponding domestic regulations for more than 30 substances (16 %) from the European list, the rest requires recalculation of the Maximum Allowable Concentrations (MACs) for the working area from the maximum one-time value to the weighted average values for the 8-hour work shift.

Conclusion. The strategy of the European Union and Ukraine in the field of health protection of employees from exposure to harmful chemicals does not differ in major principles and is based on the regulation of the concentration of harmful substances in the air of the working area. It is necessary to implement 187 European regulations for                         134 substances or compositions in the domestic legal framework. Most European regulations are calculated as a weighted average value for the 8-hour work shift. Only 27% of regulations are comparable in content to domestic ones, and about 6 % are close in their content and volume. The main way to implement occupational exposure limits for Ukraine is to recognize all European standards included in the relevant lists or, first and foremost, to recognize standards that are comparable in content and volume. As part of the implementation of standards in Ukraine, the following issues should be resolved: development of a standardized methodology for recalculation of the maximum one-time values to the time-weighted average ones, adaptation of the national system on implementation of preventive measures based on the particularities of the impact of substances on the human body, as well as updating the existing scientific and methodological bases related to hygienic regulation of harmful chemical production factors.

Key words: regulations for the permissible concentration of chemical substances, air of the work area, implementation of European standards.

 

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