This Final Completion Report is the last deliverable for the "Conduct of Third National Polychlorinated Dibenzo-p-Dioxins (PCDD) and Polychlorinated Dibenzofurans (PCDF) Inventory in the Philippines" (hereafter to as the Project). This Report documents the activities undertaken as well as the concerns and issues raised during the conduct of the Inventory. It presents the results and accomplishments from the Inventory together with lessons learned and recommendations for follow-on activities and future actions.