 assessing the suitability of the reporting criteria and their consistent application;  interviewing Management, corporate sustainability team, data owners and those with operational responsibility at the Company’s head office;  visiting selected operational sites;  understanding through inquiries, analytical reviews, observation and other applicable evidence gathering procedures, by sampling, the key structures, systems, processes, procedures and internal controls relating to the collation, aggregation, validation and reporting of the Indicators presented in the Report;  checking that the GRI Index contains the relevant indicators for each of the standard disclosures required by GRI to be In Accordance “Core”, and;  reviewing the content of the Report against the findings resulting from our procedures.