### Page 1 of 5 Addendum to Endocrine Disruptor Screening Program (EDSP) Information Collection Request Attachment I: Second EDSP List of Chemicals for Tier 1 Screening

Chemical Name CAS Number SDWA PAI RR Schedule 1,1,1,2-Tetrachloroethane 630-20-6 X 1,1,1-Trichloroethane 71-55-6 X 1,1,2-Trichloroethane 79-00-5 X 1,1-Dichloroethane 75-34-3 X 1,1-Dichloroethylene 75-35-4 X 1,2,3-Trichloropropane 96-18-4 X 1,2,4-Trichlorobenzene 120-82-1 X 1,2-Dibromo-3-chloropropane (DBCP) 96-12-8 X 1,2-Dichloroethane 107-06-2 X 1,2-Dichloropropane 78-87-5 X 1,3-Dinitrobenzene 99-65-0 X 1,4-Dioxane 123-91-1 X 1-Butanol 71-36-3 X 2,4,5-TP (Silvex) 93-72-1 X 2-Methoxyethanol 109-86-4 X 2-Propen-1-ol 107-18-6 X 4,4'-Methylenedianiline 101-77-9 X Acetaldehyde 75-07-0 X Acetamide 60-35-5 X Acetochlor 34256-82-1 X X Acetochlor ethanesulfonic ac id (ESA) 187022-11-3 X Acetochlor oxanilic acid (OA) 194992-44-4 X Acrolein 107-02-8 X X Acrylamide 79-06-1 X Alachlor 15972-60-8 X X Alachlor ethanesulfonic ac id (ESA) 142363-53-9 X

### Page 2 of 5 Chemical Name CAS Number SDWA PAI RR Schedule Alachlor oxanilic acid (OA) 171262-17-2 X alpha-Hexachlorocyclohexane 319-84-6 X Aniline 62-53-3 X Bensulide 741-58-2 X X FY 2008 Benzene 71-43-2 X Benzo(a)pyrene (PAHs) 50-32-8 X Benzyl chloride 100-44-7 X Butylated hydroxyanisole 25013-16-5 X Carbon tetrachloride 56-23-5 X Chlordane 57-74-9 X Chlorobenzene 108-90-7 X cis-1,2-Dichloroethylene 156-59-2 X Clethodim 99129-21-2 X X FY 2008 Clofentezine 74115-24-5 X FY 2007 Clomazone 81777-89-1 X FY 2007 Coumaphos 56-72-4 X FY 2008 Cumene hydroperoxide 80-15-9 X Cyanamide 420-04-2 X FY 2008 Cyromazine 66215-27-8 X FY 2007 Dalapon 75-99-0 X Denatonium saccharide 90823-38-4 X FY 2008 Di(2-ethylhexyl) adipate 103-23-1 X Dichloromethane 75-09-2 X Dicrotophos 141-66-2 X X FY 2008 Dimethipin 55290-64-7 X X Dinoseb 88-85-7 X Diuron 330-54-1 X X Endothall 145-73-3 X X Endrin 72-20-8 X

### Page 3 of 5 Chemical Name CAS Number SDWA PAI RR Schedule Epichlorohydrin 106-89-8 X Erythromycin 114-07-8 X Ethylbenzene 100-41-4 X Ethylene dibromide 106-93-4 X Ethylene glycol 107-21-1 X Ethylene thiourea 96-45-7 X Ethylurethane 51-79-6 X Etofenprox 80844-07-1 X FY 2007 Fenamiphos 22224-92-6 X X FY 2008 Fenarimol 60168-88-9 X FY 2007 Fenoxaprop-P-ethyl 71283-80-2 X FY 2007 Fenoxycarb 72490-01-8 X FY 2007 Flumetsulam 98967-40-9 X FY 2008 Fomesafen sodium 108731-70-0 X FY 2007 Fosetyl-Al (Aliette) 39148-24-8 X FY 2008 Glufosinate ammonium 77182-82-2 X FY 2008 HCFC-22 75-45-6 X Heptachlor 76-44-8 X Heptachlor epoxide 1024-57-3 X Hexachlorobenzene 118-74-1 X Hexachlorocyclopentadiene 77-47-4 X Hexane 110-54-3 X Hexythiazox 78587-05-0 X FY 2007 Hydrazine 302-01-2 X Isoxaben 82558-50-7 X FY 2008 Lactofen 77501-63-4 X FY 2007 Lindane 58-89-9 X Methanol 67-56-1 X Methoxychlor 72-43-5 X

### Page 4 of 5 Chemical Name CAS Number SDWA PAI RR Schedule Methyl tert-butyl ether 1634-04-4 X Metolachlor ehtanesulfonic ac id (ESA) 171118-09-5 X Metolachlor oxanilic acid (OA) 152019-73-3 X Molinate 2212-67-1 X X Nitrobenzene 98-95-3 X Nitroglycerin 55-63-0 X N-Methyl-2-pyrrolidone 872-50-4 X N-Nitrosodimethylamine (NDMA) 62-75-9 X n-Propylbenzene 103-65-1 X o-Dichlorobenzene 95-50-1 X o-Toluidine 95-53-4 X Oxirane, methyl- 75-56-9 X Oxydemeton-methyl 301-12-2 X X FY 2008 Oxyfluorfen 42874-03-3 X X Paclobutrazol 76738-62-0 X FY 2007 p-Dichlorobenzene 106-46-7 X X Pentachlorophenol 87-86-5 X X Perchlorate 14797-73-0 X Perfluorooctane sulfonic acid (PFOS) 1763-23-1 X Perfluorooctanoic acid (PFOA) 335-67-1 X Picloram 1918-02-1 X X Polychlorinated biphenyls 1336-36-3 X Profenofos 41198-08-7 X X FY 2008 Propetamphos 31218-83-4 X FY 2008 Propionic acid 79-09-4 X FY 2008 Pyridate 55512-33-9 X FY 2007 Quinclorac 84087-01-4 X FY 2008 Quinoline 91-22-5 X Quizalofop-P-ethyl 100646-51-3 X FY 2008

### Page 5 of 5 Chemical Name CAS Number SDWA PAI RR Schedule RDX 121-82-4 X sec-Butylbenzene 135-98-8 X Sodium tetrathiocarbonate 7345-69-9 X FY 2008 Styrene 100-42-5 X Sulfosate 81591-81-3 X FY 2007 Temephos 3383-96-8 X FY 2008 Terbufos 13071-79-9 X X FY 2008 Terbufos sulfone 56070-16-7 X Tetrachloroethylene 127-18-4 X Thiophanate-methyl 23564-05-8 X X Toluene diisocyanate 26471-62-5 X Toxaphene 8001-35-2 X trans-1,2-Dichloroethylene 156-60-5 X Trichloroethylene 79-01-6 X Triethylamine 121-44-8 X Triflumizole 68694-11-1 X FY 2007 Trinexapac-ethyl 95266-40-3 X FY 2008 Triphenyltin hydroxide (TPTH) 76-87-9 X X Vinclozolin 50471-44-8 X X Xylenes (total) 1330-20-7 X X Ziram 137-30-4 X X 

### CAS Number = Chemical Abstract Services Registry Number SDWA = Drinking water chemical based on CCL 3 List or chemicals with National Primary Drinking Water Regulations PAI = Pesticide active ingredient (Cu rrent pesticide registration exists) RR = OPP Registration Review date