The purpose of this final rule is to accomplish the following: (1) adopt a numerical identification system for - hazardous materials transported in commerce; (2) adopt regulations pertaining to the transportation of hazardous wastes; (3) adopt regulations. pertaining to the identification of, and discharge notifications for, hazardous substances; (4) list certain forbidden materials by name and revise the general criteria applicable to forbidden materials; (5) provide proper shipping names for organic peroxides; (6) require inclusion on shipping papers of the technical names of certain hazardous components of materials covered by n.o.s. entries; and (7) provide for the optional use of certain United Nations shipping descriptions. The principal objective of this rule, as it pertains to the use of the identification numbers, is to improve the capabilities of emergency response personnel, such as firemen and policemen, to quickly identify hazardous materials and to assure the accurate transmission of information to and from the scenes of accidents involving hazardous materials.