Hospitals asked to clean up oxygen cylinders Updated: Updated: PESO claims the used cylinders were found not disinfected well Share Article PESO claims the used cylinders were found not disinfected well Deputy Chief Controller of Explosives R. Venugopal, who is also the Nodal Officer for Oxygen Monitoring in Kerala and Lakshadweep, has given a call to hospitals to clean up the oxygen cylinders prior to collection by the gas supplier. The authorities have also asked the institutions to ensure identification of externally contaminated cylinders with clear marking or labelling. The authorities also said that cylinders pick-up area should be located away from the patient wards and infection areas of a hospital.