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3. U.S., Department of Agriculture, Foreign Agricultural Service, Maximum Residue Limit Database. http://www.fas.usda.gov/maximum-residue-limits-mrl-database (Accessed 03 October 16).
4. Canadian Food Inspection Agency, http://www.inspection.gc.ca/ (Accessed 03 March 17).
5. Maximum Residue Limits for Pesticides in Food;National Standard GB-2763-2014,2014