Object: Electronic Auction - Hiring A Specialized Company To Supply Antifoam And Nutrients, Nitrogen And Micronutrients, Phosphorus And Micronutrients, Odor Neutralizer And Biological Products (Bioremediator) With Continuous Monitoring And Technical Monitoring For The Sewage Treatment Stations (Etes) Of The Agroindustrial District Of Anápolis Daia And The Mining Industrial District Of Catalão Dimic.