Among the main results achieved at contractor companies through the program are: � implementation of HSEC management systems, including procedures and specific tools for identifying and managing HSEC risks � reduction in the accident rate � the development of HSEC risk inventories, with identification, assessment and controls tools � more than � an average score of 4.4 out of 5 in the auditing process applied to assess the level of implementation of the HSEC Management Standards (the BHP Billiton target for conformance is a score greater than 4 out of 5) � 30 certifications to the international standards ISO 14001 and OHSAS 18001 � significant improvements in housekeeping practices and in the management and storage of dangerous substances and residues � development of an internal team of HSEC auditors in each of the contractor companies � formulation of a guideline for the implementation of HSEC management systems in contractor companies.