Links
U.S. Environmental Protection Agency
www.epa.gov
Texas Commission Environmental Quality
www.tceq.state.tx.us
Oklahoma Department of Environmental Quality
www.deq.state.ok.us
Texas Railroad Commissioner
www.rrc.state.tx.us
Texas Dept. of State Health Services
www.dshs.state.tx.us
Oklahoma Corporation Commission
www.occ.state.ok.us
U.S. Occupational Safety & Health Administration
www.osha.gov
