1. Paraquat and sustainable agriculture
2. Selection of priority properties to assess environmental hazard of pesticides
3. Commission Regulation (EC) N°. 149/2008 of 29 January 2008 amending Regulation (EC) N° 396/2005 of the European Parliament and of the Council by establishing Annexes II, III and IV setting maximum residue levels for products covered by Annex I thereto, Off. J. Eur. Union L58 (March) (2008) 1.
4. Drinking Water Health Advisory: Pesticides;US Environmental Protection Agency,1989
5. Code of Federal Regulations, Title 40, Part 141, US Government Printing Office, Washington, DC, Rev. July 1, 1997.