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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Drug Saf. 2015 Feb;38(2):117–128. doi: 10.1007/s40264-014-0250-z

Table 3. Presence of pesticide residue classified as WHO Ia and Ib.

Hazardous Hazardous WHO class Pesticides Number of products, where found Range of residue levels found (ppb) Countries where the samples were bought
Extremely Ia Ethoprophos 1 90 Canada
Phorate 3 6–10 Canada, Italy, France
Highly Ib Omethoate 5 10 France, Germany, Canada
Methamidophos 1 140 Canada
Methomyl 2 5–8 Germany, Canada
Triazophos 4 20–170 US, Germany, The Netherlands

[48] Greenpeace, “Chinese Herbs: Elixir of Health or Pesticide Cocktail”. Available from: http://www.greenpeace.org/eastasia/campaigns/food-agriculture/Chinese-Herbs-Elixir-of-Health/

ppb parts per billion, WHO World Health Organization