The winning of the Right-to-Know about chemical exposure was a significant achievement for Labor Unions, although it took almost fifteen years to gain a national standard. It is hard to believe today that just twenty-five years ago workers did not have the right-to-know the identity of the chemicals they worked with or were exposed to, even if the chemicals were making them sick. The OSHA Right to Know or Hazard Communication standard had its roots in the passage of the OSH Act in 1970. The Act specifically addressed the labeling of hazardous chemicals and gave OSHA the authority to make specific requirements relating to

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