Volunteers usually are not protected "employees." But does the AHJ provide volunteer firefighters any stipend for any expenses, any retirement benefits; death and survivors benefits; life insurance; disability and rehabilitation benefits; health care benefits; and tuition reimbursement for courses in emergency medical and fire service techniques. These benefits are "significant remuneration" sufficient to create an employment relationship between AHJ and Volunteer.
If the fire station allows any, Any, ANY one from the general public, for any reason, the station SHALL be accessible.
Spaces, desks, counters, restrooms, Etcetera, Shall be accessible if the answer is yes, adaptable if no.