1. OPPT (Office of Pollution Prevention and Toxics), Chemicals in the Environment: Methanol (CAS NO. 67-56-1). http://www.epa.gov/chemfact/f_methan.txt [accessed July 2007].
2. TRI-Explorer (Toxics Release Inventory-Explorer), Releases: Chemical Report, Methanol, U.S., (2005). http://www.epa. gov/triexplorer/ [accessed July 2007].
3. NPRI (National Pollutant Release Inventory), Methanol 67-56-1, Releases 2005. http://www.ec.gc.ca/pdb/querysite/query_e.cfm [accessed July 2007].
4. Notice with respect to substances in the National Pollutant Release Inventory for 2003;Communication Canada;Canada Gazette Part I,2003
5. EPA (Environmental Protection Agency), Clean Air Act as amended (42 U.S.C. 7401 et seq.). US Government, Washington, DC (1990).