Globally Harmonized System as a framework for communicating chemical hazards

Autores/as

  • Sandra Marcela Barrera Corporación Universitaria Minuto de Dios image/svg+xml Autor/a

DOI:

https://doi.org/10.69821/jowhes.v2i1.12

Palabras clave:

Hazard classification, Hazard communication, Chemical labeling, Safety data sheets, Harmonized System

Resumen

The Globally Harmonized System (GHS) was developed to harmonize the classification and communication of chemical hazards, addressing the historical coexistence of multiple national schemes. This review summarizes the evolution of the GHS, its essential components (classification, labeling, and safety data sheets), and the main implementation challenges. The results show that standardization facilitates preventive management and trade, but its impact depends on technical consistency in classification and the availability of documentation (SDS/SDS) in the environments where it is used. The evidence also highlights that the comprehensibility of labels and pictograms is a critical determinant: although pictograms are generally highly memorable, misinterpretations can increase occupational risk, especially in contexts with educational or linguistic barriers. Additionally, potential sources of "disharmony" due to differences in data and expert judgment are identified, and strategies such as national lists of classified substances and technical guidelines are proposed. The review concludes that the GHS must be integrated with training, audits, and operational procedures to ensure effectiveness in real-world scenarios.

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Biografía del autor/a

  • Sandra Marcela Barrera, Corporación Universitaria Minuto de Dios

    https://orcid.org/0009-0008-2574-6219

Referencias

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Publicado

2025-06-30

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Artículos

Cómo citar

Marcela Barrera, S. (2025). Globally Harmonized System as a framework for communicating chemical hazards. Journal of Work, Health and Safety, 2(1), 12-20. https://doi.org/10.69821/jowhes.v2i1.12