Mexican Official Standard NOM-156-SEMARNAT-2012, Establishment and operation of air quality monitoring systems

The document outlines Mexico's National Environmental Audit System (SINA) regulations, which aim to assess and manage environmental impacts across various sectors. It emphasizes the importance of compliance with environmental laws and standards to mitigate pollution and promote sustainable development and specifies the minimum conditions tat must be observed for the establishment and operation of air quality monitoring systems. The SINA framework includes guidelines for auditing processes, defining responsibilities, and ensuring transparency in environmental management practices throughout Mexico.