Which agency may intervene in matters of worker protection without specific regulations?

The Occupational Safety and Health Administration (OSHA) is the agency that may intervene in matters of worker protection even in the absence of specific regulations. This capability is primarily because OSHA has the authority to enforce the Occupational Safety and Health Act, which is designed to ensure that employers provide a safe and healthy workplace. When there are no specific regulations to cover a particular hazard, OSHA can still take action under the "General Duty Clause," which requires employers to provide a work environment free from recognized hazards that could cause death or serious physical harm.

This agency's role is crucial in maintaining worker safety, and it often responds to hazards that emerge in the workplace, adapting its interventions accordingly whether or not there are pre-existing regulations covering those specific issues.