8/31/11Penn State Lehigh Valley students will observe the annual 9/11 Day of Service by volunteering with a local ambulance and fire company from 2-4:30 p.m., Sept. 9. Immediately following the campus' memorial service, which begins at 1 p.m., a group of students will set out for Cetronia Ambulance Company and Cetronia Fire Department in Allentown. In addition to volunteering their services to help at the stations, which may include washing vehicles and organizing supplies, the students also will hear a presentation about 9/11 and first responders given by Cetronia personnel.