Host Volunteers must complete the "Licensing Agreement for Campground and Park Host Volunteer. Indicate if duties will include any of the following: Travel.The San Diego Bay National Wildlife Refuge protects a rich diversity of endangered, threatened, migratory, and native species and their habitats. Join our volunteer program at UC San Diego Health, which supports medical and hospital staff in patient care, education and research. Volunteer opportunities are available for individuals or groups such as schools, company engagements, and clubs. Gov and indicate which event you want to participate in. To be eligible to be a volunteer you must first fill out the volunteer application. If the volunteer is a City of San Diego employee, they must also complete the following information. Click "Submit" on the "Final Review" screen to submit your completed and signed Individual Volunteer (301a) Form. Travel and lodging services.