The most active period of social movement rhetoric in the 20th century was the 1960s. This period roughly begins with a build-up from the Brown v. Board of Education of Topeka Supreme Court Decision of 1954. This desegregation decision began the Civil Rights movement.
Either way, a Safety Data Sheet, SDS, is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance.
This is accomplished by requiring chemical manufacturers and importers to evaluate the hazards of the chemicals they produce or import, and to provide information about them through labels on shipped containers and more detailed information sheets called material safety data sheets (MSDSs).