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.
Hereâs a tip: you donât need to change your oil every 3 months or 3000 miles. Your ownerâs manual will tell you the correct interval, which is usually much longer. If you have a newer car, you may even have an oil life monitor (OLM).