A pre-disinfection occurred immediately after surgery in 93.03% of cases. Dilutions of the preparation of decontamination solutions were made randomly. During decontamination, the equipment was totally immersed in only 72.1% of cases. There was insufficient contact time between disinfectant and contaminated equipment in the majority of observations. Cleaning of all equipment including containers was performed in only 4.65%. Drying was done in the open air in two (02) in five (05) other services. The cleaning material consisted of unsterile compresses (36.36%), already used fields (27.27%), sterile gauze (21.21%), clean fields (15.15%). Sterilization processes used: Poupinel (one service); Poupinel and formalin (five services); Poupinel, autoclave, and formalin (one service). No registration of autoclaving parameters (temperature, pressure, time). Lack of procedures on the steps of sterilizing reusable equipment.