This Reasonable Suspicion of Impairment in the Workplace online training course is designed for managers, supervisors, and employees in safety-sensitive industries such as construction, mining, transportation and aviation, and in safety-sensitive positions in all industries. Learn about the causes, symptoms and consequences of impairment, the value and content of a workplace impairment policy, the steps to take if you observe someone in the workplace who appears to be impaired, and options for drug testing.