Resolution 1541 of 2013 of the Ministry of Environment and Sustainable Development MINAMBIENTE (Colombia) establishes the air quality or immission standards for the mixture of offensive odors considering the type of activity that generates odors.
These immission standards are given in European Odor Units per cubic meter (OUE/m3) expressed as the 98th percentile of the hours modeled during a year. This type of model separates 2% of odor events in which there are concentrations of immission above the regulation, which corresponds to a tolerance of 175.2 hours in a year in which there could be a higher concentration of odor, ie , approximately 30 minutes a day.
Gestión y Servicios Ambientales S.A.S.(GSA SAS) - Medellín (Colombia)