W504 – Asbestos and Other Fibres

For more information regarding this course, please contact us or use the form below.

Contact Us Now

By using this form you agree with the storage and handling of your data by this website.


Expert Occupational Hygiene and Training providers, Gully Howard Technical are ideal providers of the W504 – Assessment and Control of Asbestos Training course.

The W504 is an optional module under the Occupational Hygiene Training Association (OHTA) International qualification scheme. BOHS are the UK examining board for this module and Gully Howard Technical are the training course providers. Candidates will take an open book written examination at the end of the module, and complete an assessed practical during the course. View the W504 course syllabus here.

W504 Aims

The W504 – Assessment and Control of Asbestos Training course aims to enhance the student’s knowledge of occupational hygiene practice in relation to fibrous dusts. The module concentrates on asbestos, however other fibres, e.g. machine made mineral fibres, aramids, carbon etc., which are increasingly finding uses in industry are also covered.

Successful completion of this module will benefit those working in asbestos consultancy as well as in mainstream occupational hygiene, giving an understanding of the health risks associated with asbestos and other fibres as well as the means of evaluation and control.

Learning Outcomes

On successful completion of this module the student should be able to:

  • Describe the composition, nature and properties of asbestos, machine made mineral and other fibres and their historical uses.
  • Describe the health effects of asbestos and other fibrous materials and apply appropriate exposure limits.
  • Describe the uses of asbestos in buildings and the public health risk that these may pose.
  • Understand the principals of and requirements for asbestos surveys, including taking samples and Identifying.
  • Be thoroughly familiar with current good practice in the construction and use of enclosures for asbestos remediation and the use of decontamination units.
  • Understand all the principles of clearance testing, the requirements for measurement and appropriate techniques for post remediation evaluation.
  • Conduct air sampling to determine airborne concentrations of asbestos or other fibres in accordance with defined procedures including microscopic counting techniques.
  • Have the ability to advise on all the various techniques for the management of asbestos in buildings in accordance with good practice.

Additional information


Newcastle, Portsmouth

Dates14th May 2018 to 18th May 2018, 22nd October 2018 to 26th October 2018, 18th March 2019 to 22nd March 2019, 16th September 2019 to 20th September 2019, 18th May 2020 to 22nd May 2020, 17th February 2020 to 21st February 2020

Upcoming Dates

Unable to find any upcoming W504 – Asbestos and Other Fibres courses.

Please check back soon or contact us now for more details.