Prior to being prepared the surveilance method and the surveilance system of chemical hazards, the employer`s investigastion of the newly-registered-chemical hazards has been to be under obligation along with legislation of the Hazardous Chemicals Control Act and revision of the Industrial Safety & Health Act in 1990. In order to make up the chemical hazards examining plan and to Frame the chemical hazards investigating system about the newly-registered chemical and the existing hazardous chemicals in worksite environments, the KISCO`s chemical hazards surveilance program is methodologically researched and presented.