2007 Annual Report 1a.Objectives (from AD-416) The objective of this cooperative research project is for a prefabricated storage building for storage of research materials, relative to IR-4 project. The building will be located behind the Arboretum Field Headquarters. 1b.Approach (from AD-416) IR-4 is an Interregional Research Project, combining the efforts of the Agricultural Research Service, U.S. Department of Agriculture/Cooperative State Research Service, EPA, and University personnel. The project was established to clear pest control agents for minor uses. 3.Progress Report This report serves to document research conducted under a Non Funded Cooperative Agreement between ARS and Ohio Agricultural Research and Development Center, The Ohio State University. Additional details can be found in the report for the parent 3607-21620-006-00D Biological, Microclimate, and Transport Processes Affecting Pest Control Application Technology. Authorizes ARS to conduct the indicated research on state-owned land.