The helpers included 343 firefighters, around 60 police officers, one patrolman from the New York Fire Patrol, and eight emergency medical technicians! In addition, more than 91,000 rescue, recovery and clean-up workers, and volunteers—including virtually all of the Fire Department of New York (FDNY)—were exposed to the environmental hazards at Ground Zero during their work on “the pile” and at other WTC-related locations in the days and months that followed