• OH2020 Dates Announced 20-23 April 2020 in Bristol, UK
  • Check back in July 2019 for further announcements….

John Lyons



Having spent 10 years with Shell and then 30 Years with Unilever which started as manager of gas chromatography laboratory and the latter part as the lead Occupational Hygienist. I took early retirement and have continued as a professional Occupational Hygienist with a wide and very varied experience ever since. I also work extensively with BOHS since 1999 as a technical advisor on qualifications for many of the examination subject areas.

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