This chapter outlines the alcohol rules. No person can report for duty or remain on duty while having alcohol concentration of _______________________ or greater. Employees are forbidden to use alcohol on-duty. Pre-duty time is limited to_______ hours. Also, no employee can perform safety-sensitive duties within 4 hours after using alcohol. Following an accident, an employee should not use alcohol for at least 8 hours. If an employee refuses to submit an alcohol test, the employee cannot continue to perform his/her duties