1. European Council, Council Directive 91/414/EEC of 15 July 1991 concerning the placing of plant protection products on the market, Off. J. Eur. Commun. L230 (19/8/91), pp. 1–32. Available at http://ec.europa.eu/food/plant/protection/evaluation/legal_en.htm
2. Agriculture Canada, Guidelines for Determining Environmental Chemistry and Fate of Pesticides, Trade Memorandum T-1-255, Agriculture Canada, Ottawa, 1987. Available at http://dsp-psd.pwgsc.gc.ca/Collection/H113-3-6E.pdf
3. US Environmental Protection Agency. OCSPP Harmonized Test Guidelines, Office of Chemical Safety and Pollution Prevention, US EPA, Washington DC, 2010. Available athttp://www.epa.gov/ocspp/pubs/frs/publications/Test_Guidelines/series835.htm
4. Japanese Chemical Substances Control Law. Available at http://www.safe.nite.go.jp/english/kasinn/kaiseikasinhou.html