New ISO 45001:2018 Occupational Health and Safety Management System (OHSMS)

This past March, it was published the new standard ISO 45001:2018  “Occupational safety and health management systems – Requirements with guidelines for use” which replaces the previous one OSHAS 18001. The new standard specifies the requirements for occupational health and safety management (OH&S) and enables organizations to prevent injuries and illnesses in the workplace.

ISO 45001 is usable for any type of organization, regardless of its size, type and activity.

Its objectives are:

  1. Continuous improvement of OHS performance.
  2. Compliance with legal and other requirements.
  3. Achieve the objectives of OHS.

Some of the most important changes are:


The range has been expanded to include all laboratory activities, including testing, calibration and sampling.

New structure

A high-level structure is adopted to align with the new structure of the ISO family of standards.

Context of the organization

The organization should identify the external and internal issues that impact its purpose, as well as the needs and expectations of the stakeholders in the organization.

Focus on processes

Greater emphasis is placed on the results of the processes and the management of their elements, replacing the detailed description of activities and steps.

Risk-based thinking

Risks and opportunities in the processes need to be identified and addressed through a preventive approach.


Senior management must demonstrate leadership and commitment.

Consultation and participation of workers

The organisation shall establish a process of consultation and participation of workers at all levels.


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