D.C. Code § 7-103: Sanitary Inspectors — Appointment; qualifications; subordinates.

There may be appointed by the Mayor of the District of Columbia, on the recommendation of the Director of the Department of Human Services, a reasonable number of Sanitary Inspectors for said District, to hold such appointment at any 1 time, of whom 2 may be physicians, and 1 shall be a person skilled in the matters of drainage and ventilation; and said Mayor may remove any of the subordinates, and from time to time may prescribe the duties of each.