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Final List of Chemicals for Initial Tier 1 Screening

April 2009 Final List of Chemicals for Initial Tier 1 Screening

This page presents an alphabetized final list of the 67 pesticide active ingredients and HPV/pesticide inert chemicals selected for Tier 1 screening. The final list was published in a Federal Register Notice in April 2009. Because this list of chemicals was selected on the basis of exposure potential only, it should not be construed or characterized as a list of known or likely endocrine disruptors. Read more about this list.

Chemical Name CAS Number
Pesticide Active Ingredient
HPV/Inert
2,4-D 94757
x
4,7-Methano-1H-isoindole-1,3(2H)-dione,2-(2-ethylhexyl)-3a,4,7,7a-tetrahydro- 113484
x
Abamectin 71751412
x
Acephate 30560191
x
Acetone 67641
x
Atrazine 1912249
x
Benfluralin 1861401
x
Bifenthrin 82657043
x
Butyl benzyl phthalate 85687
x
Captan 133062
x
Carbamothioic acid, dipropyl-, S-ethyl ester 759944
x
Carbaryl 63252
x
Carbofuran 1563662
x
Chlorothalonil 1897456
x
Chlorpyrifos 2921882
x
Cyfluthrin 68359375
x
Cypermethrin 52315078
x
DCPA (or chlorthal-dimethyl) 1861321
x
Diazinon 333415
x
Dibutyl phthalate 84742
x
Dichlobenil 1194656
x
Dicofol 115322
x
Diethyl phthalate 84662
x
Dimethoate 60515
x
Dimethyl phthalate 131113
x
Di-sec-octyl phthalate 117817
x
Disulfoton 298044
x
Endosulfan 115297
x
Esfenvalerate 66230044
x
Ethoprop 13194484
x
Fenbutatin oxide 13356086
x
Flutolanil 66332965
x
Folpet 133073
x
Gardona (cis-isomer) 22248799
x
Glyphosate 1071836
x
Imidacloprid 138261413
x
Iprodione 36734197
x
Isophorone 78591
x
Linuron 330552
x
Malathion 121755
x
Metalaxyl 57837191
x
Methamidophos 10265926
x
Methidathion 950378
x
Methomyl 16752775
x
Methyl ethyl ketone 78933
x
Methyl parathion 298000
x
Metolachlor 51218452
x
Metribuzin 21087649
x
Myclobutanil 88671890
x
Norflurazon 27314132
x
o-Phenylphenol 90437
x
Oxamyl 23135220
x
Permethrin 52645531
x
Phosmet 732116
x
Piperonyl butoxide 51036
x
Propachlor 1918167
x
Propargite 2312358
x
Propiconazole 60207901
x
Propyzamide 23950585
x
Pyridine, 2-(1-methyl-2-(4-phenoxyphenoxy)ethoxy)- 95737681
x
Quintozene 82688
x
Resmethrin 10453868
x
Simazine 122349
x
Tebuconazole 107534963
x
Toluene 108883
x
Triadimefon 43121433
x
Trifluralin 1582098
x

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