Coronavirus (COVID-19) Update
Fall classes are offered remotely—either live-online with an instructor, entirely self-paced, or in a blended online format. Please check our coronavirus update page for our latest announcements.
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.