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.
â¢ Universal - Any candidate passing all three of these EPA types Type I, Type II or Type III is certified as UNIVERSAL. The EPA 608 test is divided into four sections: Core, Type I, Type II and Type III. Each test section has 25 multiple-choice questions drawn from a pool of test questions provided by the EPA.