102-7 Scale of the organization Page 7, 9, 10 102-8 Information on employees and other workers Page 7 102-9 Supply chain Page 36, 37 102-10 Significant changes to the organization and its supply chain KBR had no significant changes in its supply chain in 2018. 102-11 Precautionary Principle or approach Based on our clients' environmental and social impact assessment, we develop a project environmental management procedure for each project we execute.