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.
Advances in oil chemistry and engine technology and an increased use of synthetic oil have lengthened oil change intervals significantly. For 2013 models, autumakers advise drivers to change their oil every 7,500, 10,000, or even 15,000 miles. The shortest oil change interval is 5,000 miles but only in some Hyundai and Kia models. However, the car service industry continues to tell customers that they need to change their oil twice as often.