Guides
What the rules say, what the investigators find, and what to do about it. Written for engineers and managers, with the sources.
A positive Legionella result in Thailand: what to do in the first week
Step by step for a hotel or building in Thailand after a laboratory reports Legionella: reading the result, disinfecting, fixing the cause and resampling independently.
30 October 2026
Thailand's Legionella rules for hotels, explained: what the Department of Health asks for and what is law
Thailand's Legionella guidance for hotels: Department of Health figures, 3C and GREEN Health Hotel, the September 2026 surveillance decision, and what is and is not law.
30 October 2026
What tour-operator audits check for Legionella: TUI, ABTA and the 15-point plan
What European tour operators require from hotels in Thailand on Legionella: TUI's contract clause, audit items LEGIO01 to LEGIO10, the ABTA guide and how to prepare.
30 October 2026
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