U.S. EPA Superfund Homepage
http://www.epa.gov/superfund/

Region 6 EPA Superfund Homepage
http://www.epa.gov/earth1r6/6sf/6sf.htm

U.S. EPA Integrated Risk Information System
http://www.epa.gov/iriswebp/iris/index.html

Oklahoma Department of Environmental Quality (ODEQ)
http://www.deq.state.ok.us/

Technical Outreach for Communities
http://www.epa.gov/superfund/tools/tosc/index.htm

Superfund Innovative Network
http://www.epa.gov/tio/remed.htm

Navajo Nation EPA Superfund Program
http://frontiernet.net/~nnepansp/