Ciaran working towards his Certificate of Competence (CoC) in Control of the Working Environment.

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Ciaran recently attended the 1-Day LEV Conference designed for Local Exhaust Ventilation (LEV) Practitioners and Specialists considering the Certificate of Competence (CoC) in Control of the Working Environment.


A huge thanks to Bill and the team at OXYL8 Ltd for hosting an insightful session. Ciaran had an excellent day learning about the certification process and what it takes to achieve this prestigious qualification. This initial stage introduced the CoC, outlining its rigorous requirements.

Having already successfully completed W201 & the P600 series proficiency modules over the years, Ciaran now sees the CoC as the next milestone in his professional development, in line with the entire LEV industry eventually heading down this route.

What Is the CoC in Control of the Working Environment?

This certification is designed for candidates seeking to establish their expertise in workplace environmental control, making it an invaluable qualification for professionals in occupational hygiene and workplace safety. Key benefits include:
- Professional Recognition – Serves as the entry-level qualification for joining the Faculty of Occupational Hygiene as a Specialist Licentiate.
- Eligibility for Membership – Candidates who also hold the W201 Basic Principles in Occupational Hygiene may qualify for Specialist Licentiate membership.
- Industry Standard – The CoC is recognised by the British Occupational Hygiene Society (BOHS), a leading authority in occupational disease prevention since 1953.
- Global Recognition – BOHS is internationally recognized, offering pathways toward Chartered Occupational Hygienist status.

What Does This Mean for DevineAir Customers?


Businesses benefit from CoC-certified professionals in numerous ways:
-  Improved Workplace Safety – Ensuring effective control of environmental hazards, reducing risks associated with air quality, ventilation, and exposure to harmful substances.
- Regulatory Compliance – Certified experts help businesses meet occupational hygiene standards, ensuring compliance and building trust with customers.
-  Higher Quality Services – CoC holders bring specialist knowledge in workplace environmental control, delivering effective solutions for safety and hygiene.
- Industry Recognition – Certification by BOHS confirms expertise, offering assurance that services are provided by trusted professionals.
- Reduced Health Risks – Proper environmental control minimizes exposure to airborne contaminants, fostering healthier work environments for employees and visitors.

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