This webinar is a result of Recommendation 9 of EPA's Superfund Task Force, which encourages the Superfund program to "utilize state-of-the-art technologies to expedite cleanup." Actions under this recommendation include expanding the use of new remediation technologies and approaches to address contaminated sites. https://www.epa.gov/superfund/superfund-task-force-public-participation-opportunities#webinar In this webinar, we will present an overview of in situ activated carbon (AC)-based remediation technology, discuss important considerations for site characterization and treatment design, and present characterizations of physical, chemical and biological processes involved in a long-term case study where reactive AC-based technology was applied. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/AC_062518/