Fire Down Below

Fire Down Below is a movie starring Steven Seagal, Kris Kristofferson, and Marg Helgenberger. A federal agent uncovers lucrative toxic waste dumps in Appalachia and must deal with the locals who want to keep their 'gold mine' secret.
When an EPA representative is murdered in a small Appalachian community, EPA undercover agent Jack Taggart is sent in—posing as a handyman working with a Christian relief agency—to determine what happened.