Giles has some 30 years experience in legionella control, four as a water treatment service provider and more than twenty-five as a consultant. In addition to a career as a hands-on consultant, he has developed policies and procedures for water hygiene management in buildings, has developed training courses and has contributed to guidance and standards, investigated outbreaks of Legionnaires’ disease and given evidence in Crown Court in the capacity of an expert witness.
Giles is a contributor to the Health and Safety Executive’s 2014 guidance on the control of legionella bacteria in water (HSG274) and, through the Water Management Society, the 1999 guide known as L8, which it replaced.
He led the WMSoc, LCA and BACS in drafting the appendices to the HSE’s 2008 guidance on cooling tower fill pack removal, now incorporated into HSG274 Part 1 - The control of legionella bacteria in evaporative cooling systems.
Giles has developed basic and advanced legionella control syllabuses, training courses and examinations with the British Occupational Hygiene Society (BOHS) and in consultation with the Health and Safety Executive (HSE).
He is co-author of:
Giles is also contributor to British Standard PD 855468:2015 Guide to the flushing and disinfection of services supplying water for domestic use within buildings and their curtilages.