In Certification Program, which includes internal and external maintenance audits and re-certifications, as well as the implementation of new certifications 80 PAMPA ENERGÍA | 2018 SUSTAINABILITY REPORT All Pampa assets have their Management Systems certified under ISO 14001 (environmental management) and OHSAS 18001 (occupational health and safety management) standards The Generation, Downstream and Petrochemicals assets also have their management systems certified under the ISO 9001 standards and, moreover, CTGEBA is certified under ISO 50001 (energy management) standards.