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• Pesticides were found on 79 percent of the potatoes tested.

• There were 29 pesticides found on potatoes:

2 4-d, Acephate, Aldicarb, Captan, Carbofuran, Chlorpropham, DDT, Demeton, Diazinon, Dicloran, Dieldrin, Dimethoate, Diphenylamine (DPA), Disulfoton, Endosulfans, Hexachlorobenzene (HCB), Iprodione, Linuron, Metalaxyl, Methamidophos, Metribuzin, O-Phenylphenol, Pentachlorobenzene (PCB), Phorate, Phosphamidon, Quintozene (PCNB), Tecnazene, Thiabendazole, Trifluralin

• The three pesticides found most often on potatoes were
  Chlorpropham, Thiabendazole, and Endosulfans.

Potatoes with the most pesticide residues
Sample 1	Sample 2	Sample 3
DDT Endosulfans Methamidophos O-Phenylphenol Phosphamidon Thiabendazole	DDT Endosulfans Methamidophos Quintozene (PCNB) Thiabendazole	Chlorpropham DDT Endosulfans O-Phenylphenol Thiabendazole
-Animal Carcinogen -Causes Birth Defects in Animals -Damages Reproductive System -Interferes with Hormones -Damages Brain and Nervous System -Damages Immune System

Many Potatoes are contaminated with more than one pesticide.

Number of pesticides per sample Percent of Samples 0 21% 1 52% 2 21% 3 5% 4 1% 5 < 0.5% 6 < 0.5%

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More From the EWG Food News:

Pesticides in Produce
Most Contaminated
Least Contaminated
Should I Stop Eating Certain Foods?
What about washing?
How We Measured Contamination
Why Reducing Pesticide Exposure is Smart
Doesn't the Government Regulate These Chemicals?
Are These Chemicals Bad For Me?
References