Food test results

Pesticides found on corn grain

Explore detected residues, tested samples and results over time.

2007–2022 · 4 tested years

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Most commonly detected

Historical tests: 2007–2022. Each analyte uses its own tested count.

Glyphosate30.1%219 / 727 tested
Malathion24.3%481 / 1,980 tested
Chlorpyrifos15.6%316 / 2,027 tested

Detection frequency is not a health-risk ranking. Summary screen: at least 100 tests, 2 years and 10 detections.

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2,037samples
tested
49.1%had at least one detected residue
24different analytes detected

1,000 of 2,037 samples had a validated detection. Historical results, not a safety score.

Most commonly detected

Percent of samples actually tested for each analyte. Shown: at least 100 tests, 2 years and 10 detections.

219 / 727 testedView yearly tests →
481 / 1,980 testedView yearly tests →
316 / 2,027 testedView yearly tests →
View all tested analytes ↓

The tested count differs by analyte. A detection does not establish health risk.

Detection over time

Samples with at least one validated detection.

0%25%50%75%100%2007: 62.7%, 414 of 660 tested samples2008: 54.5%, 354 of 650 tested samples2021: 36.4%, 152 of 418 tested samples2022: 25.9%, 80 of 309 tested samples200720142022

4 tested years between 2007 and 2022. Gaps mean no validated tests in this release.

Read the yearly counts
Percentages use the samples actually tested in each year.
YearTestedDetectedRate
200766041462.7%
200865035454.5%
2009Not tested——
2010Not tested——
2011Not tested——
2012Not tested——
2013Not tested——
2014Not tested——
2015Not tested——
2016Not tested——
2017Not tested——
2018Not tested——
2019Not tested——
2020Not tested——
202141815236.4%
20223098025.9%
Testing panels and detection limits change. These observations do not establish a causal trend.

How many were detected?

Number of distinct analytes per tested sample.

0
1,037
1
862
2
123
3
15

Labels show analytes; counts show samples. Metabolites and isomers remain separate. This is not a count of pesticide products applied.

Where samples came from

Origin recorded by USDA.

U.S. origin100.0% · 2,037

Origin describes the sampled food. These shares do not compare countries’ residue levels.

All tested analytes

Zero detections here means tested with no validated detection. It does not describe analytes that were never tested.

Open 163 analyte results
Each rate has its own actual-tested denominator.
AnalyteTestedDetectedRateDetails
1-Naphthol62900.0%—
3-Hydroxycarbofuran1,97700.0%—
Acephate72700.0%—
Acetamiprid72700.0%—
Acetochlor2,00410.0%—
Alachlor2,03700.0%—
Aldrin1,97100.0%—
Ametryn2,02710.0%—
Amicarbazone2,00600.0%—
Aminomethylphosphonic acid (AMPA)72700.0%—
Atrazine2,01700.0%—
Azinphos methyl72700.0%—
Azoxystrobin1,94700.0%—
Bendiocarb1,81800.0%—
Benoxacor2,01700.0%—
BHC alpha1,30400.0%—
Bifenthrin2,01700.0%—
Boscalid1,91400.0%—
Carbaryl1,84230.2%—
Carbendazim (MBC)72700.0%—
Carbofuran2,01200.0%—
Carboxin1,95800.0%—
Carfentrazone ethyl2,01700.0%—
Chlorantraniliprole72700.0%—
Chlordane cis1,31000.0%—
Chlordane trans1,31000.0%—
Chlorethoxyfos72700.0%—
Chlorfenapyr72700.0%—
Chlorpyrifos2,02731615.6%Yearly results
Clothianidin2,02600.0%—
Cyanazine1,07010.1%—
Cyantraniliprole72700.0%—
Cyfluthrin2,00440.2%—
Cyhalothrin, Lambda1,99710.1%—
Cyhalothrin, Lambda epimer R1578361,27910.1%—
Cypermethrin1,99930.2%—
DCPA72700.0%—
DDD o,p'69900.0%—
DDD p,p'2,01960.3%—
DDE o,p'69900.0%—
DDE p,p'2,01120.1%—
DDT p,p'2,03700.0%—
Deltamethrin (includes parent Tralomethrin)1,941100.5%Yearly results
Diazinon92200.0%—
Diazinon oxygen analog94400.0%—
Dichlorvos (DDVP)72700.0%—
Dieldrin1,98300.0%—
Difenoconazole78200.0%—
Dimethenamid2,01700.0%—
Dimethoate1,99800.0%—
Dimethomorph1,10600.0%—
Dinotefuran72700.0%—
Diuron2,03500.0%—
Endosulfan I1,23100.0%—
Endosulfan II1,24100.0%—
Endosulfan sulfate1,22000.0%—
Esfenvalerate1,10600.0%—
Esfenvalerate+Fenvalerate Total72700.0%—
Ethoprop1,99810.1%—
Etofenprox67100.0%—
Etoxazole55200.0%—
Etridiazole72700.0%—
Fenamidone67100.0%—
Fenpyroximate72700.0%—
Fipronil2,01700.0%—
Flubendiamide72700.0%—
Fludioxonil1,90500.0%—
Flufenacet2,03710.0%—
Flumiclorac pentyl1,30500.0%—
Fluometuron72700.0%—
Fluopyram72700.0%—
Flupyradifurone72700.0%—
Fluridone1,41400.0%—
Fluroxypyr72700.0%—
Fluthiacet methyl1,10100.0%—
Flutriafol72700.0%—
Fluvalinate (as Tau-Fluvalinate)72700.0%—
Fluxapyroxad72700.0%—
Fonofos1,29100.0%—
Furilazole1,31000.0%—
Glyphosate72721930.1%Yearly results
Heptachlor1,25100.0%—
Heptachlor epoxide1,30510.1%—
Hexythiazox2,03700.0%—
Hydroprene1,23600.0%—
Imidacloprid2,03200.0%—
Imiprothrin72700.0%—
Indoxacarb1,13400.0%—
Isoxadifen ethyl1,20100.0%—
Isoxaflutole72700.0%—
Lindane (BHC gamma)2,03700.0%—
Linuron2,03700.0%—
Malathion1,98048124.3%Yearly results
Malathion oxygen analog2,01720.1%—
Mesotrione72700.0%—
Metalaxyl/Mefenoxam2,03710.0%—
Metconazole72700.0%—
Methamidophos1,07500.0%—
Methomyl2,01800.0%—
Methoxychlor p,p'1,31040.3%—
Methoxyfenozide1,94700.0%—
Metolachlor2,01730.1%—
Metribuzin2,03700.0%—
MGK-26472700.0%—
Myclobutanil1,80200.0%—
Nitrapyrin72700.0%—
Novaluron72700.0%—
Omethoate1,80100.0%—
Oxydemeton methyl sulfone65200.0%—
Oxyfluorfen1,96600.0%—
Parathion ethyl1,29000.0%—
Parathion methyl1,86700.0%—
Parathion methyl oxygen analog1,01800.0%—
Parathion oxygen analog1,31000.0%—
Pendimethalin1,84100.0%—
Penthiopyrad72700.0%—
Permethrin Total2,026381.9%Yearly results
Phenothrin72700.0%—
Phorate1,92400.0%—
Phorate sulfone1,98300.0%—
Phorate sulfoxide1,87700.0%—
Phosmet69900.0%—
Phosmet oxygen analog72700.0%—
Picoxystrobin72700.0%—
Piperonyl butoxide1,271332.6%Yearly results
Pirimiphos methyl722202.8%Yearly results
Prallethrin1,05800.0%—
Prometryn1,31000.0%—
Propachlor72700.0%—
Propachlor oxanilic acid (OA)1,31000.0%—
Propargite1,22500.0%—
Propetamphos2,01700.0%—
Propiconazole1,64300.0%—
Pyraclostrobin2,03200.0%—
Pyraflufen ethyl1,30600.0%—
Pyrethrins72700.0%—
Pyriproxyfen1,58800.0%—
Resmethrin1,16300.0%—
Saflufenacil72700.0%—
Sethoxydim72700.0%—
Simazine1,95700.0%—
Spinetoram J72700.0%—
Spinosad64300.0%—
Spinosad A1,24900.0%—
Spinosad D1,26800.0%—
Spiromesifen72700.0%—
Spiromesifen Total (parent + enol metabolite)1,23200.0%—
Sulfoxaflor72700.0%—
TCMTB85100.0%—
Tebuconazole72700.0%—
Tefluthrin2,03700.0%—
Terbufos1,25000.0%—
Terbufos sulfone1,31000.0%—
Tetraconazole72700.0%—
Tetrahydrophthalimide (THPI)72700.0%—
Tetramethrin67100.0%—
Thiabendazole72700.0%—
Thiamethoxam1,40000.0%—
Thiodicarb72700.0%—
Triadimenol1,22800.0%—
Trifloxystrobin2,03200.0%—
Trifluralin1,95700.0%—
Triticonazole72700.0%—
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About these results

Source: USDA Pesticide Data Program. Included annual releases: 2007, 2008, 2021, 2022.

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