DFD vs ERD. DFD and ERD are different data models that are mainly used for organizing business data for proper communication between members of a group. DFD shows how data enter a system, are transformed in that system, and how it is stored in it.
Freebase(0.00 / 0 votes)Rate this definition: Universal waste. Universal waste is a category of waste materials designated as hazardous waste, but containing materials that are very common. It is defined in 40 CFR part 273, by the United States Environmental Protection Agency but states may also have corollary regulations regarding these materials.
Landfill Waste Classifications and Waste Definitions 5. Radioactive Waste which gives off or is capable of giving off radiant energy in the form. of particles or rays, as in alpha, beta and gamma rays at levels exceeding. standards defined by the Radiological Council of Western Australia.