A RCRA hazardous waste is a waste that either appears on one of three lists created by the U.S. Environmental Protection Agency, or, if not on the lists, exhibits one of four characteristics of hazardous waste.
How often should oxygen nasal cannulas be changed? Update: Our supplier recommended we change the cannulas monthly and the tubing every 60-90 days. My father has friends who's suppliers have had different guidelines.
Report Abuse. 1  Change filters regularly. Nasal Cannula should be replaced monthly. 2  No longer than 24 hours before changing. My dad had a rare form of asthma for 15 years and was on oxygen. 3  we told patients to change them every week and rinse them daily. Tubing should be changed every month OR when cinks develop. humidiifier bottle, if you have one should be filled twice daily and washed every few days.