1. Andersson, C., Weenström, P., Gry, J., 2003. Nicotine alkaloids in Solanaceous food plants, TemaNord 2003:531.
2. CEN (European Committee for Standardization) , 2008. Foods of plant origin ‐ Determination of pesticide residues using GC‐MS and/or LC‐MS/MS following acetonitrile extraction/partitioning and clean‐up by dispersive SPE. QuEChERS‐method. EN EN 15662.2008. November 2008.
3. EC (European Commission) , 2004. Residue analytical methods. For post‐registration control. SANCO/825/00‐rev.7. Available from: ec.europa.eu/food/plant/protection/resources/publications_en.htm.
4. EC (European Commission) , 2008. Appendix D. Guidelines on comparability, extrapolation, group tolerances and data requirements for setting MRLs. 7525/VI/95‐rev.8. Available from: ec.europa.eu/food/plant/protection/resources/publications_en.htm.
5. EC (European Commission) , 2010. Classes to be used for the setting of EU pesticide Maximum Residue Levels (MRLs). SANCO 10634/2010 Rev. 0, finalized in the Standing Committee on the Food Chain and Animal Health at its meeting of 23–24 March 2010.