COVID-19 Update
All campus visitors must be fully vaccinated AND BOOSTED, wear a mask, & submit a COVID symptom check. Visit our COVID page for updates.
Instructor
David J Keenan
DAVID J. KEENAN, B.S., is an environmental health and safety consultant with Performance Safety Associates. He has 34 years of experience in environmental health and safety. He has taught at UCSC Extension since 2001.