The mixture rule states that any mixture of a listed hazardous waste and a non-hazardous waste remains regulated as a hazardous waste. Mixtures of characteristic wastes and non-hazardous waste are regulated as hazardous waste if the resultant mixture continues to exhibit the characteristic.
1 Wash the cannula in soapy water and rinse it with a solution of 10 parts water and one part vinegar. 2  Rinse thoroughly with hot water and hang to dry.  This connects the nasal cannula to the oxygen concentrator. It doesnât need to be cleaned, but plan to replace it every 6 to 12 months advises the ATS.
Manufacturers recommend replacement of your mask every six months for maximum performance. 1  Give your mask frame and cushion a light daily cleaning with either our CPAP 2 Go mask wipes or warm, soapy water. 2  Use a soft bristle brush to clean the vent. 3  Rinse with drinking-quality water and air dry out of direct sunlight.