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tamar.rogoszinskiOSHA was created with the Occupational Safe and Health Act of 1970 and is part of the US Department of Labor. The legislation was passed because the system of mass production used in the US encouraged the use of machinery, but there was nothing to protect workplace safety. For most employers, it was cheaper to replace a dead or injured worker than it was to introduce safety measures. Many states also enacted workers' compensation laws as labor unions began to become more popular. These laws discouraged employers from permitting unsafe workplaces. A chemical revolution also introduced chemical compounds into the workplace, which jeopardized the safety of workers. These events led to the creation of the legislation and OSHA, highlighting their primary mission.