Food test results

Pesticides found on onions

Explore detected residues, tested samples and results over time.

2002–2024 · 7 tested years

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Most commonly detected

Historical tests: 2002–2024. Each analyte uses its own tested count.

Imidacloprid6.6%155 / 2,337 tested
Boscalid6.5%152 / 2,337 tested
Fluopyram5.2%64 / 1,233 tested

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

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3,819samples
tested
12.3%had at least one detected residue
30different analytes detected

470 of 3,819 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.

155 / 2,337 testedView yearly tests →
152 / 2,337 testedView yearly tests →
64 / 1,233 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%2002: 0.1%, 1 of 741 tested samples2003: 0.3%, 2 of 741 tested samples2011: 9.1%, 17 of 186 tested samples2012: 9.3%, 52 of 558 tested samples2017: 23.2%, 164 of 708 tested samples2023: 19.2%, 34 of 177 tested samples2024: 28.2%, 200 of 708 tested samples200220132024

7 tested years between 2002 and 2024. Gaps mean no validated tests in this release.

Read the yearly counts
Percentages use the samples actually tested in each year.
YearTestedDetectedRate
200274110.1%
200374120.3%
2004Not tested——
2005Not tested——
2006Not tested——
2007Not tested——
2008Not tested——
2009Not tested——
2010Not tested——
2011186179.1%
2012558529.3%
2013Not tested——
2014Not tested——
2015Not tested——
2016Not tested——
201770816423.2%
2018Not tested——
2019Not tested——
2020Not tested——
2021Not tested——
2022Not tested——
20231773419.2%
202470820028.2%
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
3,349
1
376
2
75
3
16
4
2
6
1

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. origin89.3% · 3,412
Imported9.8% · 376
Unknown origin0.8% · 31

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 352 analyte results
Each rate has its own actual-tested denominator.
AnalyteTestedDetectedRateDetails
3-Hydroxycarbofuran2,33700.0%—
5-Hydroxythiabendazole37200.0%—
Abamectin37200.0%—
Acephate2,33760.3%—
Acetamiprid2,33700.0%—
Acetochlor1,24500.0%—
Acibenzolar S methyl1,95000.0%—
Afidopyropen86400.0%—
Alachlor1,24500.0%—
Aldicarb1,08000.0%—
Aldicarb sulfone1,96500.0%—
Aldicarb sulfoxide1,96500.0%—
Aldrin2,33700.0%—
Allethrin1,09200.0%—
Ametoctradin1,24500.0%—
Ametryn72000.0%—
Atrazine1,96500.0%—
Azinphos ethyl37200.0%—
Azinphos methyl2,28200.0%—
Azinphos methyl oxygen analog74400.0%—
Azoxystrobin2,33720.1%—
Bendiocarb1,93600.0%—
Benoxacor1,98900.0%—
Bensulide74400.0%—
Benzovindiflupyr88500.0%—
BHC alpha2,33700.0%—
BHC beta72000.0%—
Bifenazate72000.0%—
Bifenthrin2,33700.0%—
Bitertanol34800.0%—
Boscalid2,3371526.5%Yearly results
Broflanilide88500.0%—
Bromacil37200.0%—
Bromopropylate34800.0%—
Bupirimate34800.0%—
Buprofezin1,96500.0%—
Butocarboxim32000.0%—
Captafol1,42500.0%—
Captan1,41600.0%—
Carbaryl1,96500.0%—
Carbendazim (MBC)1,96540.2%—
Carbofuran2,33700.0%—
Carbophenothion1,53800.0%—
Carbophenothion methyl21700.0%—
Carboxin74400.0%—
Carfentrazone ethyl2,33700.0%—
Chlorantraniliprole2,33700.0%—
Chlordane cis2,33700.0%—
Chlordane trans2,33700.0%—
Chlorethoxyfos37200.0%—
Chlorfenapyr1,96500.0%—
Chlorfenvinphos total1,61700.0%—
Chlorothalonil29000.0%—
Chlorpropham1,96500.0%—
Chlorpyrifos2,76900.0%—
Chlorpyrifos oxygen analog2,33700.0%—
Clethodim2,21300.0%—
Clethodim sulfoxide9300.0%—
Clofentezine37200.0%—
Clomazone1,60500.0%—
Clothianidin2,33740.2%—
Coumaphos1,96500.0%—
Coumaphos oxygen analog1,24500.0%—
Crotoxyphos74400.0%—
Crufomate37200.0%—
Cumyluron34800.0%—
Cyantraniliprole1,24500.0%—
Cyazofamid1,61700.0%—
Cyflufenamid1,23300.0%—
Cyflumetofen88500.0%—
Cyfluthrin3,81900.0%—
Cyhalothrin, Lambda43200.0%—
Cyhalothrin, Total (Cyhalothrin-L + R157836 epimer)3,38600.0%—
Cymoxanil1,07400.0%—
Cypermethrin3,81900.0%—
Cyphenothrin74400.0%—
Cyprodinil1,97710.1%—
Cyromazine74400.0%—
DCPA3,79000.0%—
DDD o,p'1,22500.0%—
DDD p,p'2,33700.0%—
DDE p,p'3,81900.0%—
DDT o,p'1,24500.0%—
DDT p,p'1,96500.0%—
DEF (Tribufos)37200.0%—
Deltamethrin (includes parent Tralomethrin)3,38600.0%—
Demeton-O31000.0%—
Demeton-S37200.0%—
Demeton-S sulfone37200.0%—
Desethyl atrazine36000.0%—
Dialifos21700.0%—
Diazinon2,76900.0%—
Diazinon oxygen analog2,76900.0%—
Dichlobenil1,96500.0%—
Dichlorvos (DDVP)2,76900.0%—
Dicloran3,819150.4%Yearly results
Dicofol p,p'1,61700.0%—
Dicrotophos1,61700.0%—
Dieldrin3,79900.0%—
Difenoconazole2,33710.0%—
Diflubenzuron1,61700.0%—
Dimethenamid1,98900.0%—
Dimethoate1,96500.0%—
Dimethomorph2,33740.2%—
Dinotefuran1,60540.2%—
Dioxathion37200.0%—
Diphenamid1,59300.0%—
Diphenylamine (DPA)1,96500.0%—
Disulfoton1,08000.0%—
Disulfoton oxygen analog1,24500.0%—
Disulfoton sulfone1,96500.0%—
Disulfoton sulfone oxygen analog36000.0%—
Disulfoton sulfoxide1,61700.0%—
Disulfoton sulfoxide oxygen analog36000.0%—
Diuron1,61700.0%—
Dodine37200.0%—
Emamectin37200.0%—
Emamectin benzoate1,18500.0%—
Endosulfan I3,03300.0%—
Endosulfan II3,01500.0%—
Endosulfan sulfate3,01500.0%—
Endrin2,33700.0%—
EPTC (S-ethyl dipropylthiocarbamate)1,59300.0%—
Esfenvalerate66100.0%—
Esfenvalerate+Fenvalerate Total3,07800.0%—
Ethaboxam88500.0%—
Ethalfluralin1,61700.0%—
Ethiofencarb1,59300.0%—
Ethion1,96500.0%—
Ethion mono oxon73200.0%—
Ethofumesate74400.0%—
Ethoprop1,96500.0%—
Etofenprox1,24500.0%—
Etoxazole1,60500.0%—
Etridiazole34800.0%—
Famoxadone1,10400.0%—
Fenamidone2,33700.0%—
Fenamiphos1,96500.0%—
Fenamiphos sulfone1,96500.0%—
Fenamiphos sulfoxide1,96500.0%—
Fenarimol1,96500.0%—
Fenazaquin88500.0%—
Fenbuconazole1,96500.0%—
Fenchlorphos (Ronnel)37200.0%—
Fenhexamid72000.0%—
Fenitrothion1,61700.0%—
Fenobucarb (BPMC)37200.0%—
Fenpropathrin2,33700.0%—
Fenpropimorph34800.0%—
Fenpyroximate34800.0%—
Fensulfothion37200.0%—
Fenthion1,60500.0%—
Fenvalerate66100.0%—
Fipronil1,59300.0%—
Flonicamid1,96550.3%—
Fluazifop butyl1,98900.0%—
Flubendiamide1,25700.0%—
Fludioxonil2,76900.0%—
Flumioxazin1,57200.0%—
Fluopicolide2,337100.4%Yearly results
Fluopyram1,233645.2%Yearly results
Fluoxastrobin1,96500.0%—
Flupyradifurone88500.0%—
Fluquinconazole34800.0%—
Fluridone1,96500.0%—
Flusilazole34800.0%—
Flutolanil37200.0%—
Flutriafol88550.6%—
Fluvalinate (as Tau-Fluvalinate)1,09200.0%—
Fluxapyroxad1,24520.2%—
Folpet34800.0%—
Fonofos1,96500.0%—
Forchlorfenuron72000.0%—
Formetanate hydrochloride72000.0%—
Furathiocarb34800.0%—
Halosulfuron methyl34800.0%—
Heptachlor2,33700.0%—
Heptachlor epoxide3,81900.0%—
Hexachlorobenzene (HCB)72000.0%—
Hexaconazole72000.0%—
Hexythiazox1,60500.0%—
Hydroprene1,61700.0%—
Imazalil1,94500.0%—
Imidacloprid2,3371556.6%Yearly results
Imiprothrin1,09200.0%—
Indaziflam1,25700.0%—
Indoxacarb72000.0%—
Iprodione2,33790.4%—
Isofenphos37200.0%—
Isofetamid88500.0%—
Isoprocarb37200.0%—
Kresoxim-methyl1,61700.0%—
Lactofen37200.0%—
Lenacil34800.0%—
Leptophos oxygen analog37200.0%—
Lindane (BHC gamma)3,01500.0%—
Linuron1,96500.0%—
Malathion2,76900.0%—
Malathion oxygen analog2,76900.0%—
Mandipropamid2,33700.0%—
Mefentrifluconazole88500.0%—
Metalaxyl/Mefenoxam2,337341.5%Yearly results
Metconazole37200.0%—
Methamidophos1,96500.0%—
Methidathion1,58510.1%—
Methiocarb1,86000.0%—
Methomyl1,965120.6%Yearly results
Methoprene1,22500.0%—
Methoxychlor olefin1,24500.0%—
Methoxychlor p,p'72000.0%—
Methoxychlor Total1,21500.0%—
Methoxyfenozide2,33710.0%—
Metolachlor2,33700.0%—
Metrafenone1,23300.0%—
Metribuzin1,61700.0%—
Mevinphos Total1,96500.0%—
MGK-2641,98900.0%—
Monocrotophos72000.0%—
Myclobutanil1,96500.0%—
Napropamide1,96500.0%—
Norflurazon1,94500.0%—
Norflurazon desmethyl1,96530.2%—
Novaluron1,96500.0%—
o-Phenylphenol98710.1%—
Omethoate1,96500.0%—
Oryzalin34800.0%—
Oxadixyl1,96500.0%—
Oxamyl2,337110.5%Yearly results
Oxamyl oxime1,09210.1%—
Oxydemeton methyl72000.0%—
Oxydemeton methyl sulfone1,09200.0%—
Oxyfluorfen2,33700.0%—
Paclobutrazol34800.0%—
Parathion ethyl2,39700.0%—
Parathion methyl2,33700.0%—
Parathion methyl oxygen analog73200.0%—
Parathion oxygen analog2,04900.0%—
Pebulate34800.0%—
Penconazole34800.0%—
Pencycuron34800.0%—
Pendimethalin2,33700.0%—
Penoxsulam34800.0%—
Pentachloroaniline (PCA)1,59300.0%—
Pentachlorobenzene (PCB)1,08000.0%—
Pentachlorophenyl methyl sulfide (PCPMS)34800.0%—
Penthiopyrad1,593352.2%Yearly results
Permethrin cis2,68500.0%—
Permethrin Total72000.0%—
Permethrin trans2,68500.0%—
Phenothrin2,31800.0%—
Phenthoate1,24500.0%—
Phorate1,96500.0%—
Phorate oxygen analog1,61700.0%—
Phorate oxygen analog sulfone88500.0%—
Phorate oxygen analog sulfoxide88500.0%—
Phorate sulfone1,93600.0%—
Phorate sulfoxide1,96500.0%—
Phosalone1,96500.0%—
Phosmet1,09200.0%—
Phosmet oxygen analog37200.0%—
Phosphamidon1,96500.0%—
Picoxystrobin88500.0%—
Piperonyl butoxide2,35500.0%—
Pirimicarb1,96500.0%—
Pirimicarb desmethyl34800.0%—
Pirimiphos methyl1,96500.0%—
Prallethrin2,22500.0%—
Prochloraz34800.0%—
Procymidone34800.0%—
Profenofos1,59300.0%—
Promecarb37200.0%—
Prometon1,24500.0%—
Prometryn1,61700.0%—
Pronamide (Propyzamide)1,96500.0%—
Propachlor1,24500.0%—
Propamocarb34800.0%—
Propamocarb hydrochloride37200.0%—
Propargite1,96500.0%—
Propetamphos2,76900.0%—
Propham37200.0%—
Propiconazole3,38700.0%—
Prothiofos34800.0%—
Pydiflumetofen88540.5%—
Pymetrozine72000.0%—
Pyraclostrobin2,33700.0%—
Pyraflufen ethyl37200.0%—
Pyrazophos34800.0%—
Pyridaben72000.0%—
Pyrifluquinazon88500.0%—
Pyrimethanil2,33710.0%—
Pyriofenone88500.0%—
Pyriproxyfen2,33700.0%—
Quinalphos72000.0%—
Quinoxyfen1,96500.0%—
Quintozene (PCNB)1,96500.0%—
Quizalofop ethyl37200.0%—
Resmethrin1,52400.0%—
Resmethrin cis36000.0%—
Resmethrin trans1,24500.0%—
Rimsulfuron34800.0%—
Saflufenacil1,60500.0%—
Sethoxydim74400.0%—
Simazine1,61700.0%—
Spinetoram1,55700.0%—
Spinosad1,55700.0%—
Spinosad A37200.0%—
Spinosad D37200.0%—
Spirodiclofen1,60500.0%—
Spiromesifen74400.0%—
Spiromesifen Total (parent + enol metabolite)1,24500.0%—
Spiropidion88500.0%—
Spirotetramat2,33700.0%—
Spiroxamine32000.0%—
Sulfentrazone37200.0%—
Sulfoxaflor1,24500.0%—
Sulprofos1,61700.0%—
Tebuconazole2,33720.1%—
Tebufenozide1,96500.0%—
Tebufenpyrad34800.0%—
Tebupirimfos1,24500.0%—
Tebuthiuron1,61700.0%—
Tecnazene1,59300.0%—
Tefluthrin2,33700.0%—
Terbacil1,96500.0%—
Terbufos37200.0%—
Terbufos sulfone1,61700.0%—
Terbuthylazine34800.0%—
Tetrachlorvinphos1,61700.0%—
Tetraconazole1,61700.0%—
Tetradifon1,96500.0%—
Tetrahydrophthalimide (THPI)1,61700.0%—
Tetramethrin1,09200.0%—
Tetraniliprole76400.0%—
Thiabendazole1,96500.0%—
Thiacloprid1,96500.0%—
Thiamethoxam2,337391.7%Yearly results
Thiobencarb1,61700.0%—
Thiodicarb37200.0%—
Thionazin37200.0%—
Thiophanate methyl37200.0%—
Tri Allate72000.0%—
Triadimefon1,96500.0%—
Triadimenol72000.0%—
Triazophos72000.0%—
Trifloxystrobin1,96500.0%—
Triflumizole1,60500.0%—
Trifluralin2,33700.0%—
Triticonazole34800.0%—
Uniconazole37200.0%—
Vernolate34800.0%—
Vinclozolin1,96500.0%—
Zoxamide34800.0%—
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About these results

Source: USDA Pesticide Data Program. Included annual releases: 2002, 2003, 2011, 2012, 2017, 2023, 2024.

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