SWEARING IN NEW STRONGEST:

The Chief-Leader/Michel Friang

Mayor Bloomberg and Sanitation Commissioner John J. Doherty appointed a new four-star chief and three-star chief and administered the oaths of office to 250 new Sanitation Workers. They also promoted 73 senior supervisory personnel, eight Sanitation Police Officers, and 26 Sanitation Enforcement Agents and Sergeants. The ceremony took place Nov. 29 at the Tribeca Performing Arts Center at the Borough of Manhattan Community College.