Hazardous waste is waste that poses substantial or potential threats to public health or the environment. In the United States, the treatment, storage, and disposal of hazardous waste is regulated under the Resource Conservation and Recovery Act (RCRA).
Porsche recommends that the oil in the Boxster be changed every 15,000 miles as a part of the normal maintenance procedure. The recommended oil is Mobil 1 comes in several different grades. If you wish to change your oil more often and want to avoid some of the expense associated doing so, you can change it yourself.
Angie Hicks, Angieâs List founder: âYears ago the time to change your oil was really simple â every three months or 3,000 miles. With the improvements made to engine oil as well as cars you need to depend on your ownerâs manual for the best recommendation of how frequently your car may need an oil change. It could be 3,000, 7,000, even 10,000 miles.â.