| American Water Works   Associationhttp://www.awwa.org
 
 Clean Air Act
 http://www.epa.gov/regulations/laws/caa.html
 
 Clean   Water Act
 http://www.epa.gov/regulations/laws/cwa.html
 
 Construction
 www.industrialnewsupdate.com
 
 The   Department of Homeland Security
 http://www.whitehouse.gov/homeland/
 
 Environmental Data   Services
 http://www.ends.co.uk
 
 ESRI's training opportunities on GIS science, software and   applications
 http://www.esri.com/training/
 
 ESRI's   virtual campus of self-paced GIS education
 http://campus.esri.com/campus/home/home.cfm
 
 The   Institution of Civil Engineers
 http://www.icenet.org.uk
 
 Intelligent Enterprise article about GIS
 http://www.intelligententerprise.com/000120/feat1.shtml
 
 Occupational   Safety and Health Administration/U.S. Department of Labor
 http://www.osha.gov
 
 Railroad Commission of Texas
 http://www.rrc.state.tx.us/
 
 Texas   Commission on Environmental Quality (TECQ)
 http://www.tceq.state.tx.us/
                 Texas   Department of Transportationwww.dot.state.tx.us
 
 Texas   Infrastructure
 www.asce.org/reportcard
 
 Texas Parks   and Wildlife
 www.tpwd.state.tx.us
 
 Texas   Water Quality
 www.twqa.org
 
 U.S. Department of Agriculture
 http://www.usda.gov
 
 U.S.   Department of Defense's environmental cleanup homepage
 http://www.dtic.mil/envirodod
 
 U.S.   Department of Energy's Computer Incident Advisory Capability
 A public   service website for reporting Internet virus hoaxes.
 http://hoaxbusters.ciac.org/
 
 U.S. Environmental   Protection Agency
 http://www.epa.gov
 
 UST
 http://www.tceq.state.tx.us/assistance
 Water   Environment Federationhttp://www.wef.org/
 
 
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