"disposal methods" is a correct and usable phrase in written English.
It refers to the various ways that something can be properly discarded or gotten rid of. Example: The company is constantly looking for more eco-friendly disposal methods for their industrial waste.
The best methods include collecting in a container for disposal via normal disposal methods, or disposing where it cannot damage plants, living beings, or the environment.
If they have seeds or disease, dispose of them using proper green waste disposal methods, such as council (local government) collection or drop-off or tip disposal.
If you cannot find a proper bin near the beach, take the rubbish home and dispose of it using your own waste disposal methods.
Waste disposal methods were still very crude, however.
Disposal methods were very crude, involving open pits located just outside the city walls.
A careful application of materials science can make radioactive waste disposal safer than current disposal methods for other toxic wastes.
Other disposal methods involve more tunneling, such as within salt, which has particularly good ability for shielding against radiation.
Other alternative on-site disposal methods include use of intermittent sand filters or of small, prefabricated aerobic treatment units.
Were it not for the ungentle disposal methods of a Fifth Avenue church, he admits, he would have eight fire extinguishers where he now has two.
Mr. Roewer said there was a trend toward dry ash disposal in lined landfills, though that trend was not identified in the 2006 federal report on disposal methods.
Wrap said in a statement: "There has been a pronounced diversion of waste away from landfill and other disposal methods towards recovery and recycling routes.
