The oil & gas firm said Cadogan Ukraine had been certified as compliant with ISO 14001:2015 and ISO 45001:2018 Cadogan Petroleum PLC (LON:CAD) said its Ukrainian subsidiary, Cadogan Ukraine, has been granted ISO certification. The oil & gas firm said Cadogan Ukraine had been certified as compliant with ISO 14001:2015, which establishes environmental management criteria, and ISO 45001:2018, which certifies health and safety management. The group added that Cadogan is among the first oil & gas companies to be certified as compliant with the ISO 45001 standard, which came into effect in March 2018.