Employees must be relieved of all duty during their meal and rest breaks. Brinker, 53 Cal.4th at 1035–1036; Faulkinbury v. Boyd & Associates (2013) 216 Cal.App.4th 220, 236. During breaks, an employee “must be free to attend to any personal business he or she may choose.” Brinker, 53 Cal.4th at 1036. An employee is working and “on duty” when he is “subject to the control of an employer,” “including all the time the employee is suffered or permitted to work, whether or not required to do so.” Wage Order No. 9 § 2(H). Time spent by an employee waiting on standby for the benefit of the employer is considered to be on duty. Madera Police Officers Assn. v. City of Madera (1984) 36 Cal.3d 403.