Fire extinguishers are a challenge to recycle! Currently, you cannot recycle them at Salem Fire Department, Household Hazardous Waste Day, or Excel (metal recycling on Jefferson Avenue). Here’s the nearest resource we found:
AC&M Fire Equipment Company
6 Ledge Rock Way, Acton, MA
Please phone first to ensure someone is in office; do not leave extinguisher at door. They will depressurize and recycle for free.