Hazardous Waste in Indian Country
http://www.epa.gov/tribalmsw
Hazardous Waste Issues-General EPA Office of Solid Waste Homepage
http://www.epa.gov/osw
Oklahoma Department of Environmental Quality-Land Protection Division
http://www.deq.state.ok.us/lpdnew/hwindex.html
EPA Region 6 Multimedia Planning and Permitting Division
http://www.epa.gov/region6/6pd/6pd.htm