EHS Management OSTT pursues sustainable management that fulfills environmental and social responsibilities, and is continuously making improvements in a phased approach. 01Environmental Management Examination of soil contamination Operation records of air pollution emission facilities Management of waste treatment Protection and management of marine facility contamination Placement of pollutant removal ships by contract 02Health Management Promotion of workers' health Various medical health checks (comprehensive, special, pre-assignment, etc.) Prevention of musculoskeletal diseases Measurement of work environment Management of hazardous material Furnishing Material Safety Data Sheets (MSDS) 03Safety Management Started Zero Accident Campaign Process Safety Management Safety Standard Procedures (36 procedures including Safety Work Permission) Various safety education and trainings Partner company safety management Terminal safety program Fire protection facility maintenance and management Self-check and management of dangerous tanks