2006 Annual Report 4d.Progress report. This report serves to document research conducted under a specific cooperative agreement between the ARS-Environmental Management and Byproduct Utilization Laboratory and a former USDA Headquarters Research Associate who is currently located at University of Seoul, South Korea. Additional details of research can be found in the report for the parent project 1265-12220-003-00D entitled, “ATMOSPHERIC PROCESSES OF AGRICULTURAL POLLUTANTS THAT AFFECT AIR AND WATER QUALITY.” While no funding has been transferred into this project during the last year, this project has supported cooperative research on development of analytical methods to quantify odorants from wastewaters, composts and manures has continued through frequent visits by this cooperator to Beltsville to conduct experiments and to write manuscripts.