PrOlor is the first commercial software application in the world that is able to forecast an odor incident two days beforehand by using advanced dispersion modeling and odor measurements at the source.

   PrOlor tool was used to forecast odor incidents during 10 months in a rendering plant. The results are shown in this article.

Carlos Nietzsche Díaz Jiménez ^1*, Cyntia Izquierdo Zamora ¹, David Cartelle Fernández ², Jose M. Vellón Graña ², Ángel Rodríguez López ²

1. SVPA, Servicios de Protección Ambiental.
2. Troposfera Soluciones Sostenibles S.L., C/ Real 217, 15401 Ferrol, A Coruña, Spain.

  The Graz Lagrangian (GRAL) system is a Lagrangian particle model with a free Graphic User Interface (GUI) available in both Linux and Windows. Now the developers have released the version 20.09. The software is open source under a GPL-3.0 license, so everybody is welcome to contribute to the project. The source code, has been published in github.

    The version 20.09 of GRAL GRAMM has had some changes and modifications in the code, but focusing mainly in correcting bugs. No major features have been included in this update. See a list of issues solved here. The complete source code is published under the GNU/GPL 3 licence.