Under the Occupational Safety and Health Administration (OSHA) regulations, employers are required to:

1. Provide a Safe Workplace: Ensure that the work environment is free from serious recognized hazards and complies with OSHA standards.
2. Comply with OSHA Standards: Follow all applicable OSHA regulations, rules, and standards relevant to their industry.
3. Conduct Hazard Assessments: Regularly examine workplace conditions to identify and address potential safety and health hazards.
4. Maintain Equipment and Tools: Ensure all tools and equipment are safe to use and are properly maintained.
5. Use Warning Signs and Labels: Implement color codes, posters, labels, or signs to warn employees of potential hazards.
6. Establish Safety Procedures: Develop and update operating procedures and communicate them effectively to employees.
7. Provide Training and Education: Offer safety and health training in a language and vocabulary that employees can understand.
8. Keep Records: Maintain records of work-related injuries and illnesses as required by OSHA.
9. Report Certain Incidents: Report work-related fatalities, inpatient hospitalizations, amputations, or loss of an eye to OSHA within specified time frames.
10. Post OSHA Notices: Display the OSHA Job Safety and Health poster in a prominent location within the workplace.
11. Provide Access to Records: Allow employees and their representatives access to medical and exposure records.
12. Not Discriminate: Refrain from retaliating or discriminating against employees who exercise their rights under the OSH Act.
13. Correct Identified Hazards: Abate cited violations by the deadlines set by OSHA and provide required documentation.
14. Perform Required Tests: Conduct tests (like air sampling) as mandated by OSHA standards to monitor potential hazards.
15. Provide Personal Protective Equipment (PPE): Supply necessary PPE to employees at no cost when hazards cannot be otherwise controlled.

By fulfilling these responsibilities, employers help ensure the safety and health of their employees and remain compliant with OSHA regulations.