Positivo de Legionella

A 90-minute, 4-round basic Express simulation for Spanish vocational training (Formacion Profesional, grado medio), module 1700 Control de Legionella y otros organismos nocivos en instalaciones de riesgo of the Tecnico en Sanidad ambiental aplicada (Real Decreto 1157/2024).

The learner is Dario Fuenmayor, a newly qualified treatment technician of a fictional biocide services company, assigned to the cooling tower and the changing-room hot water of a fictional dairy plant of 190 workers, with a school 300 m downwind.

Four situations set the plant's course in 2027: a routine sample of the tower above the level at which the plan orders it stopped and how the cause is looked for, the re-sampling after the shock cleaning and the cause found in the records (a dosing pump stopped without an alarm, a dead leg, a purge on a timer), the summer treatment in a heat wave with the hot-water return below 50 C, and the annual review of the plan with the follow-up.

After a positive, the plan sets the order and admits no shortcuts. Scored on the risks under control, the cost of the measures, the days with a risk open and the people-days exposed; training-level decision practice that complements the plan of each installation, the product labels and the qualified training treatment work requires, and gives no medical advice.

Two hard-fails cap the round at 40: keeping the tower running while a second sample confirms the result, and pouring an acid descaler into the hypochlorite tank (Real Decreto 487/2022). Spanish primary, English parity.

An introductory simulation that assumes no prior knowledge of the subject, designed for undergraduate courses. It also works in vocational and high-school programmes and in onboarding sessions.