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.
1) You cannot change a subscript. You cannot change the oxygen's subscript in water from one to two, as in: H 2 + O 2 2 O 2. True, this balances the equation, but you have changed the substances in it. H 2 O 2 is a completely different substance from H 2 O. 2) You cannot place a coefficient in the middle of a formula.ou cannot change the oxygen's subscript in water from one to two, as in: H 2 + O 2 2 O 2. True, this balances the equation, but you have changed the substances in it. H 2 O 2 is a completely different substance from H 2 O. 2) You cannot place a coefficient in the middle of a formula.