• Texas Commission on Environmental Quality
  www.tceq.state.tx.us
  
  
• Railroad Commission of Texas
  www.rrc.state.tx.us
  
  
• State of Texas Government Agency Information
  www.state.tx.us/agency/agencies.htm
  
  
• Texas Parks & Wildlife
  http://www.tpwd.state.tx.us
  
  
• Texas Environmental Regulations
  http://info.sos.state.tx.us/pls/pub/readtac$ext.ViewTAC?tac_view=3&ti=30&pt=1
  
  
• Texas Register
  http://texinfo.library.unt.edu/texasregister/

• U.S. Environmental Protection Agency
  www.epa.gov
  
  
• Federal Consumer Information Center
  www.info.gov
  
  
• Federal Register
  www.archives.gov

Associations:

• Air & Waste Management Association
  www.awma.org
   
• American Bar Association Section of Environment, Energy, & Resources
  www.abanet.org/environ/home.htm
  
  
• ASTM International
  www.astm.org
   
• Auditing Roundtable
  www.auditing-roundtable.org
  
  
• Environmental Law Network
  www.elnonline.com
   
• Global Environmental Management Initiative (GEMI)
  www.gemi.org
  
  
• ISO Environmental Management System Standard
  www.iso.org
  
  
• National Brownfield Association
  www.brownfieldassociation.org
   
• World Resources Institute
  www.wri.org