(1) No employer shall take any adverse employment action against an employee for refusing to work in unsafe conditions if the employee reasonably believes that the employer is operating in violation of a COVID-19 public health order in a manner that has created the unsafe condition and the employee has notified the employer of the unsafe condition; provided however, that an employee may not refuse to work if the business provides a reasonable alternative work assignment that does not expose the employee to the unsafe condition or upon inspection by the Philadelphia or Pennsylvania Department of Health the business proves it is compliant with all public health orders addressing safe workplace practices.