"supervisor on duty" is correct and usable in written English.
You can use this phrase to refer to a person in charge of a workplace or organization at any given time. For example, "During the weekend shifts, George is the supervisor on duty."
She said there were four staff members working directly with residents, and one supervisor on duty.
Matt Pavelich, the officiating supervisor on duty, said the incident would be written in the official report of the game.
Waway Doral is the supervisor on duty, and he tells me they expect to be around another couple of months.
Judy Rose, the N.C.A.A. supervisor on duty, said "I've not personally had to handle a mascot bruhaha before".
- Instruments at the plant were unreliable, according to Shakil Qureshi, the methyl isocyanate supervisor on duty at the time of the accident.
Bill DeMauro, the security supervisor on duty, learned that the bird had landed in the middle of a film set on South Street.
These included changing a policy that requires three supervisors on duty in each of the eight precincts during every shift.
Kain Roach, maintenance team manager at housing association and residential developer L&Q, says: "We'll have direct maintenance supervisors on duty Christmas Day, but in the event of an emergency they may need to call upon technicians, the maintenance managers and neighbourhood staff".
Contrary to the person SCOTUS says BP is now, actual humans will be prosecuted for manslaughter - two top supervisors on duty at the rig when it exploded (Center for Progressive Reform).
They don't acknowledge that the core at the Three Mile Island plant was within hours of an uncontrolled melt -- with Chernobyl-like consequences -- when a new shift supervisor came on duty in a panicked control room and finally figured out that thousands of gallons of cooling water had poured undetected from a valve that was stuck open.
The two workers and two supervisors were on duty at the Woodbridge Developmental Center on April 10 when the patient, Trent Wilson, 36, was found dead in his bed.
