Certificate of Competence in Legionella (CoC Legionella)

This is the entry level professional qualification required to join the Faculty of Occupational Hygiene as a Specialist Licentiate. It is for candidates wanting to establish their competence in the specific field of Legionella and its control.

This qualification follows on from the successful completion of the appropriate Occupational Hygiene or Proficiency modules. You should also have accumulated 3 years of relevant professional experience to be eligible for the Certificate of Competence in Legionella.

If you are awarded the Certificate of Competence in Legionella, you are entitled to use ‘CoC Legionella‘ as post-nominal letters after your name. 


The level of a qualification indicates the relative complexity and depth of knowledge and skills required to attain the qualification.

This is a level 5 qualification in the BOHS qualifications framework, equivalent to NVQ Level 5.

Online Assessment

Applicants should note that some of the components of this qualification are assessed online, and therefore access to a computer and the internet is essential. Candidates will be asked to create an account on the www.bohs-hub.org website to gain access to:

  • Pay for each component
  • Submit the Report and Curriculum Vitae 
  • View feedback comments and assessment results  
  • Book the professional discussion 



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