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.
6) the worst possible thing one can do is with-hold oxygen to someone demonstrating critically low blood oxygen levels...deliver what you can to get them to 90-94%. A non-rebreather mask may not deliver enough oxygen to a patient as their condition worsens.Therefore, as long as you can demonstrate a need for oxygen, a non-rebreather mask may be perfectly acceptable and occasionally insufficient.) the worst possible thing one can do is with-hold oxygen to someone demonstrating critically low blood oxygen levels...deliver what you can to get them to 90-94%. A non-rebreather mask may not deliver enough oxygen to a patient as their condition worsens.