The materials in this manual serve as a basic tool for different levels of PHHS trainers working in different contexts and with different end users, with the objective of improving the quality of grain being offered for sale to WFP and other buyers. The manual includes detailed reference materials and technical guidance, PowerPoint presentations (available under the second link) as well as user-friendly posters for use in the field. The manual was prepared by the National Resources Institute on behalf of WFP.