A UAO WAS ISSUED TO ABATE THE THREATENED RELEASE OF LEAD INTO THE ENVIROMENT IN THE VILLAGE OF BECKEMEYER, IL. THE CONDITIONS AT THE SITE POSED A THREAT TO THE PUBLIC HEALTH, WELFARE OR THE ENVIRONMENT. THE UAO REQUIRED THE RESPONDENTS TO BASICALLY PROVIDE A CLEAR PATH FOR THE WATER MAIN REPLACEMENT PROJECT. THE WATER MAIN REPLACEMENT WAS TO OCCUR THROUGH LEAD CONTAMINATED SOILS AND SALTS CONTAINING LEAD SLAG AND DUST FROM THE SMELTER PROPERTY.