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.
If you want to use. catheter intraÂ­op, pull it > 4 hours b/4 LMWH dose. Once day (40mg/dose)Â­ you may use an indwelling catheter. First dose of. LMWH > 8 hrs after surgery (there is no good reason given on ASRA. for this, but it is also the local standardÂ­ so wait 8 hrs before giving. LMWH), second dose > 24 hrs after 1st. May pull these caths 12 hrs. after dose.