This 21 Hour California Public Safety First Aid (PSFA) course is intended for public safety personnel, including firefighters, lifeguards, peace officers, as well as students/trainees in these fields. PSFA is a demanding course requiring nightly homework in preparation for the final written and skills-based exams. This course is 3 days long. The class will be held from 9am to 5pm Monday, Tuesday and Wednesday. You must attend all 3 days in order to get your completion certs.