http://healthvermont.gov/enviro/water/pressure_treated.aspx - 14KB
http://www.cpsc.gov/phth/ccastatement.html - 5KB - 6/11/2007
http://www.cpsc.gov/cpscpub/prerel/prhtml05/05170m.html - 5KB - 9/22/2009
http://www.msdh.state.ms.us/msdhsite/_static/23,8356,148.html - 27KB - Mississippi State Department of Health - 6/16/2009
http://plantanswers.tamu.edu/misc/wood.html - 1KB - 5/28/1998
http://www.cpsc.gov/phth/ccafact.html - 12KB - 2/10/2003
http://www.cpsc.gov/cpscpub/prerel/prhtml04/04026stratton.html - 11KB - 9/24/2009
http://www.access-board.gov/research/play-surfaces/report-trails.htm - 48KB - 4/12/2008
http://www.epa.gov/pesticides/factsheets/chemicals/creosote_prelim_risk_assess.htm - 23KB - 10/22/2007
http://www.ext.colostate.edu/pubs/foodnut/09308.html - 31KB - Colorado State University Extension