All environmental evaluation must be sustained with measurements of the polluting agents, carried out accurately and in compliance with engineering specifications of regulatory stipulations. In the case of noise, vibrations, gas discharges, steam, total suspended particles (TSP), industrial NOx, SOx, CO, etc., solid waste, or water discharges, etc., we have the appropriate equipment and long-time experience with a laboratory registered in the Mexican Accreditation Entity (EMA).