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.
At Millerâs we offer MERV 8, 10, 11, and 16 filters, and we can special order any other rating of filter on the market. Furnace Filters Replacement. Recommended furnace filters replacement is as follows: MERV 8 every 3-4 months, MERV 10 and 11 every 6 months, MERV 16 every year. If you have pets it is recommended that you check your filter monthly because having pets tends to send more particulates into the air.