IRIS

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Searches using filters for organ/system affected are limited to effects (or tumor sites) used to derive the RfD, RfC, oral slope factor, or inhalation unit risk. Other effects associated with chemicals in the IRIS database that were not used as the basis for a toxicity value are not searchable with organ/system filters. IRIS Advanced Search searches only final IRIS assessments; to look for information on draft assessments, see Quick Check: Assessments in Development.

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Chemical Name CASRN Oral RfD Assessment Inhalation RfC Assessment Carcinogenicity Assessment
Acenaphthene 83-32-9 Yes (Last revised: 11-01-1990) No No
Acenaphthylene 208-96-8 No No Yes (Last revised: 01-01-1991)
Acetaldehyde 75-07-0 No Yes (Last revised: 10-01-1991) Yes (Last revised: 06-30-1988)
Acetochlor 34256-82-1 Yes (Last revised: 09-01-1993) No No
Acetone 67-64-1 Yes (Last revised: 07-31-2003) Discussion (Last revised: 07-31-2003) Yes (Last revised: 07-31-2003)
Acetonitrile 75-05-8 Withdrawn; discussion (Last revised: 03-03-1999) Yes (Last revised: 03-03-1999) Yes (Last revised: 03-03-1999)
Acetophenone 98-86-2 Yes (Last revised: 08-22-1988) No Yes (Last revised: 02-01-1991)
Acetyl chloride 75-36-5 No No Yes (Last revised: 03-01-1991)
Acifluorfen, sodium 62476-59-9 Yes (Last revised: 03-31-1987) No No
Acrolein 107-02-8 Yes (Last revised: 06-03-2003) Yes (Last revised: 06-03-2003) Yes (Last revised: 06-03-2003)
Acrylamide 79-06-1 Yes (Last revised: 03-22-2010) Yes (Last revised: 03-22-2010) Yes (Last revised: 03-22-2010)
Acrylic acid 79-10-7 Yes (Last revised: 04-01-1994) Yes (Last revised: 04-01-1994) No
Acrylonitrile 107-13-1 No Yes (Last revised: 11-01-1991) Yes (Last revised: 09-30-1987)
Adiponitrile 111-69-3 No No Yes (Last revised: 02-01-1991)
Alachlor 15972-60-8 Yes (Last revised: 09-01-1993) No No
Alar 1596-84-5 Yes (Last revised: 06-30-1988) No No
Aldicarb 116-06-3 Yes (Last revised: 11-01-1993) No Yes (Last revised: 08-22-1988)
Aldicarb sulfone 1646-88-4 Yes (Last revised: 11-01-1993) No No
Aldrin 309-00-2 Yes (Last revised: 03-31-1987) No Yes (Last revised: 09-30-1987)
Ally 74223-64-6 Yes (Last revised: 06-30-1988) No No
Allyl alcohol 107-18-6 Yes (Last revised: 01-31-1987) No No
Allyl chloride 107-05-1 No Yes (Last revised: 12-01-1991) Yes (Last revised: 09-01-1990)
Aluminum phosphide 20859-73-8 Yes (Last revised: 01-31-1987) No No
Ametryn 834-12-8 Yes (Last revised: 09-30-1987) No No
4-Aminopyridine 504-24-5 No No Yes (Last revised: 12-01-1989)
Amitraz 33089-61-1 Yes (Last revised: 08-22-1988) No No
Ammonia 7664-41-7 No Yes (Last revised: 09-20-2016) No
Ammonium acetate 631-61-8 No No Yes (Last revised: 03-01-1991)
Ammonium methacrylate 16325-47-6 No No Yes (Last revised: 03-01-1991)
Ammonium sulfamate 7773-06-0 Yes (Last revised: 01-01-1989) No No
Aniline 62-53-3 No Yes (Last revised: 11-01-1990) Yes (Last revised: 09-07-1988)
ortho-Anisidine 90-04-0 No Message (Last revised: 10-01-1991) No
Anthracene 120-12-7 Yes (Last revised: 09-01-1990) No Yes (Last revised: 01-01-1991)
Antimony 7440-36-0 Yes (Last revised: 01-31-1987) No No
Antimony trioxide 1309-64-4 No Yes (Last revised: 09-01-1995) No
Apollo 74115-24-5 Yes (Last revised: 01-31-1987) No Yes (Last revised: 06-01-1991)
Aramite 140-57-8 No No Yes (Last revised: 06-01-1991)
Aroclor 1016 12674-11-2 Yes (Last revised: 01-01-1993) No No
Aroclor 1248 12672-29-6 Discussion (Last revised: 04-01-1994) No No
Aroclor 1254 11097-69-1 Yes (Last revised: 10-01-1994) No No
Arsenic, inorganic 7440-38-2 Yes (Last revised: 09-01-1991) No Yes (Last revised: 06-01-1995)
Arsine 7784-42-1 No Yes (Last revised: 03-01-1994) No
Asbestos 1332-21-4 No No Yes (Last revised: 09-26-1988)
Assure 76578-14-8 Yes (Last revised: 09-26-1988) No Yes (Last revised: 06-01-1991)
Atrazine 1912-24-9 Yes (Last revised: 10-01-1993) No No
Avermectin B1 65195-55-3 Yes (Last revised: 07-01-1989) No No
Azobenzene 103-33-3 No No Yes (Last revised: 09-07-1988)
Barium and Compounds 7440-39-3 Yes (Last revised: 07-11-2005) Yes (Last revised: 03-30-1998) Yes (Last revised: 03-30-1998)
Barium cyanide 542-62-1 Withdrawn (Last revised: 03-01-1991) No No
Baygon 114-26-1 Yes (Last revised: 07-01-1992) No No
Baythroid 68359-37-5 Yes (Last revised: 03-01-1988) No No
Benomyl 17804-35-2 Yes (Last revised: 03-01-1989) No No
Bentazon (Basagran) 25057-89-0 Yes (Last revised: 03-02-1998) Message (Last revised: 03-02-1998) Yes (Last revised: 03-02-1998)
Benz[a]anthracene 56-55-3 No No Yes (Last revised: 12-01-1990)
Benzaldehyde 100-52-7 Yes (Last revised: 09-07-1988) No No
Benzene 71-43-2 Yes (Last revised: 04-17-2003) Yes (Last revised: 04-17-2003) Yes (Last revised: 01-09-2000)
Benzidine 92-87-5 Yes (Last revised: 01-01-1989) Message (Last revised: 07-01-1991) Yes (Last revised: 03-31-1987)
Benzo[a]pyrene (BaP) 50-32-8 Yes (Last revised: 01-19-2017) Yes (Last revised: 01-19-2017) Yes (Last revised: 01-19-2017)
Benzo[b]fluoranthene 205-99-2 No No Yes (Last revised: 12-01-1990)
Benzo[g,h,i]perylene 191-24-2 No No Yes (Last revised: 12-01-1990)
Benzo[k]fluoranthene 207-08-9 No No Yes (Last revised: 11-01-1990)
Benzoic acid 65-85-0 Yes (Last revised: 09-07-1988) No Yes (Last revised: 08-01-1989)
Benzotrichloride 98-07-7 No No Yes (Last revised: 12-01-1990)
Benzyl chloride 100-44-7 No Message (Last revised: 01-01-1992) Yes (Last revised: 08-01-1989)
Beryllium and compounds 7440-41-7 Yes (Last revised: 04-03-1998) Yes (Last revised: 04-03-1998) Yes (Last revised: 04-03-1998)
Biphenthrin 82657-04-3 Yes (Last revised: 08-22-1988) No No
Biphenyl 92-52-4 Yes (Last revised: 08-27-2013) Discussion (Last revised: 08-27-2013) Yes (Last revised: 08-27-2013)
Bis(2-chloro-1-methylethyl) ether 108-60-1 Yes (Last revised: 10-01-1989) No No
Bis(2-chloroethoxy)methane 111-91-1 No No Yes (Last revised: 03-01-1991)
Bis(chloroethyl)ether (BCEE) 111-44-4 No Message (Last revised: 10-01-1991) Yes (Last revised: 03-31-1987)
Bis(chloromethyl)ether (BCME) 542-88-1 No Message (Last revised: 07-01-1991) Yes (Last revised: 09-26-1988)
Bisphenol A. 80-05-7 Yes (Last revised: 09-26-1988) No No
Boron and Compounds 7440-42-8 Yes (Last revised: 08-05-2004) Discussion (Last revised: 08-05-2004) Yes (Last revised: 08-05-2004)
Bromate 15541-45-4 Yes (Last revised: 06-06-2001) Discussion (Last revised: 06-06-2001) Yes (Last revised: 06-06-2001)
Brominated dibenzofurans No No Yes (Last revised: 12-01-1990)
Bromobenzene 108-86-1 Yes (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Bromochloromethane 74-97-5 No No Yes (Last revised: 03-01-1991)
Bromodichloromethane 75-27-4 Yes (Last revised: 09-30-1987) No Yes (Last revised: 02-01-1993)
p-Bromodiphenyl ether 101-55-3 No No Yes (Last revised: 08-01-1990)
Bromoform 75-25-2 Yes (Last revised: 09-30-1987) Discussion (Last revised: 12-01-1993) Yes (Last revised: 09-01-1990)
Bromomethane 74-83-9 Yes (Last revised: 09-26-1988) Yes (Last revised: 04-01-1992) Yes (Last revised: 06-01-1989)
Bromotrichloromethane 75-62-7 No No Yes (Last revised: 03-01-1991)
1,3-Butadiene 106-99-0 Discussion (Last revised: 11-05-2002) Yes (Last revised: 11-05-2002) Yes (Last revised: 11-05-2002)
n-Butanol 71-36-3 Yes (Last revised: 03-31-1987) No Yes (Last revised: 03-01-1991)
Butyl benzyl phthalate (BBP) 85-68-7 Yes (Last revised: 09-01-1989) No Yes (Last revised: 08-22-1988)
Butylate 2008-41-5 Yes (Last revised: 10-01-1994) No No
t-Butylchloride 507-20-0 No No Yes (Last revised: 04-01-1990)
Butylphthalyl butylglycolate (BPBG) 85-70-1 Yes (Last revised: 03-01-1987) No No
Cacodylic acid 75-60-5 No No Yes (Last revised: 11-01-1992)
Cadmium 7440-43-9 Yes (Last revised: 10-01-1989) No Yes (Last revised: 03-31-1987)
Calcium cyanide 592-01-8 Yes (Last revised: 09-28-2010) No No
Caprolactam 105-60-2 Yes (Last revised: 09-07-1988) Discussion (Last revised: 09-01-1994) No
Captafol 2425-06-1 Yes (Last revised: 09-30-1987) No No
Captan 133-06-2 Yes (Last revised: 03-01-1989) No No
Carbaryl 63-25-2 Yes (Last revised: 01-31-1987) Message (Last revised: 11-01-1991) No
Carbofuran 1563-66-2 Yes (Last revised: 09-30-1987) No No
Carbon disulfide 75-15-0 Yes (Last revised: 09-30-1987) Yes (Last revised: 08-01-1995) No
Carbon tetrachloride 56-23-5 Yes (Last revised: 03-31-2010) Yes (Last revised: 03-31-2010) Yes (Last revised: 03-31-2010)
Carbonyl sulfide 463-58-1 No Message (Last revised: 11-01-1991) No
Carbosulfan 55285-14-8 Yes (Last revised: 01-31-1987) No No
Carboxin 5234-68-4 Yes (Last revised: 01-31-1987) No No
Cerium Oxide and Cerium Compounds 1306-38-3 Discussion (Last revised: 09-29-2009) Yes (Last revised: 09-29-2009) Yes (Last revised: 09-29-2009)
Chloral hydrate 302-17-0 Yes (Last revised: 09-15-2000) Discussion (Last revised: 09-15-2000) Yes (Last revised: 09-15-2000)
Chloramben 133-90-4 Yes (Last revised: 01-31-1987) No No
Chlordane (Technical) 12789-03-6 Yes (Last revised: 02-07-1998) Yes (Last revised: 02-07-1998) Yes (Last revised: 02-07-1998)
Chlordecone (Kepone) 143-50-0 Yes (Last revised: 09-22-2009) Discussion (Last revised: 09-22-2009) Yes (Last revised: 09-22-2009)
Chlorine 7782-50-5 Yes (Last revised: 06-01-1994) No No
Chlorine cyanide 506-77-4 Yes (Last revised: 01-31-1987) No No
Chlorine dioxide 10049-04-4 Yes (Last revised: 10-12-2000) Yes (Last revised: 10-12-2000) Yes (Last revised: 10-12-2000)
Chlorite (sodium salt) 7758-19-2 Yes (Last revised: 10-12-2000) Discussion (Last revised: 10-12-2000) Yes (Last revised: 10-12-2000)
1-Chloro-1,1-difluoroethane 75-68-3 No Yes (Last revised: 07-01-1995) No
2-Chloroacetophenone 532-27-4 No Yes (Last revised: 10-01-1991) No
p-Chloroaniline 106-47-8 Yes (Last revised: 08-22-1988) No No
Chlorobenzene 108-90-7 Yes (Last revised: 08-01-1989) No Yes (Last revised: 11-01-1990)
Chlorobenzilate 510-15-6 Yes (Last revised: 12-01-1989) No No
1-Chlorobutane 109-69-3 No No Yes (Last revised: 04-01-1990)
2-Chlorobutane 78-86-4 No No Yes (Last revised: 04-01-1990)
Chlorocyclopentadiene 41851-50-7 No No Yes (Last revised: 03-01-1990)
Chlorodifluoromethane 75-45-6 No Yes (Last revised: 11-01-1993) No
Chloroform 67-66-3 Yes (Last revised: 10-19-2001) No Yes (Last revised: 10-19-2001)
Chloromethyl methyl ether (CMME) 107-30-2 No No Yes (Last revised: 09-30-1987)
beta-Chloronaphthalene 91-58-7 Yes (Last revised: 11-01-1990) No No
2-Chlorophenol 95-57-8 Yes (Last revised: 08-22-1988) No No
p-Chlorophenyl methyl sulfide 123-09-1 Message (Last revised: 06-01-1993) No Yes (Last revised: 02-01-1993)
p-Chlorophenyl methyl sulfone 98-57-7 Message (Last revised: 06-01-1993) No Yes (Last revised: 02-01-1993)
p-Chlorophenyl methyl sulfoxide 934-73-6 Message (Last revised: 06-01-1993) No Yes (Last revised: 02-01-1993)
Chloroprene 126-99-8 Message (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010)
Chlorothalonil 1897-45-6 Yes (Last revised: 03-01-1988) No No
o-Chlorotoluene 95-49-8 Yes (Last revised: 02-01-1990) No No
Chlorpyrifos 2921-88-2 Withdrawn (Last revised: 03-24-2011) No No
Chromium(III), insoluble salts 16065-83-1 Yes (Last revised: 09-03-1998) Discussion (Last revised: 09-03-1998) Yes (Last revised: 09-03-1998)
Chromium(VI) 18540-29-9 Yes (Last revised: 09-03-1998) Yes (Last revised: 09-03-1998) Yes (Last revised: 09-03-1998)
Chrysene 218-01-9 No No Yes (Last revised: 12-01-1990)
Coke oven emissions No No Yes (Last revised: 05-01-1989)
Copper 7440-50-8 No No Yes (Last revised: 09-07-1988)
Copper cyanide 544-92-3 Yes (Last revised: 09-07-1988) No No
Creosote 8001-58-9 No No Yes (Last revised: 09-07-1988)
Crotonaldehyde 123-73-9 No No Yes (Last revised: 06-01-1991)
Cumene 98-82-8 Yes (Last revised: 08-01-1997) Yes (Last revised: 08-01-1997) Yes (Last revised: 08-01-1997)
Cyanazine 21725-46-2 Withdrawn (Last revised: 07-01-1992) No No
Cyanide, free 57-12-5 Yes (Last revised: 09-28-2010) No Yes (Last revised: 03-01-1991)
Cyanogen 460-19-5 Yes (Last revised: 09-28-2010) No No
Cyanogen bromide 506-68-3 Yes (Last revised: 09-26-1988) No No
Cyclohexane 110-82-7 Discussion (Last revised: 09-11-2003) Yes (Last revised: 09-11-2003) Yes (Last revised: 09-11-2003)
Cyclohexanone 108-94-1 Yes (Last revised: 09-30-1987) No No
Cyclohexylamine 108-91-8 Yes (Last revised: 09-07-1988) No No
Dacthal 1861-32-1 Yes (Last revised: 08-01-1994) No No
Dalapon, sodium salt 75-99-0 Yes (Last revised: 08-22-1988) No No
Danitol 39515-41-8 Yes (Last revised: 10-01-1994) No No
2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether (BDE-209) 1163-19-5 Yes (Last revised: 06-30-2008) Discussion (Last revised: 06-30-2008) Yes (Last revised: 06-30-2008)
Demeton 8065-48-3 Yes (Last revised: 01-31-1987) No No
Di (2-ethylhexyl)phthalate (DEHP) 117-81-7 Yes (Last revised: 01-31-1987) No Yes (Last revised: 09-07-1988)
Di(2-ethylhexyl)adipate 103-23-1 Yes (Last revised: 07-01-1992) No Yes (Last revised: 08-01-1991)
2,4-Diaminotoluene 95-80-7 No Message (Last revised: 03-01-1991) No
Diazomethane 334-88-3 No Message (Last revised: 11-01-1991) No
Dibenz[a,h]anthracene 53-70-3 No No Yes (Last revised: 12-01-1990)
Dibenzofuran 132-64-9 No No Yes (Last revised: 10-01-1990)
1,2-Dibromo-3-chloropropane (DBCP) 96-12-8 No Yes (Last revised: 10-01-1991) No
1,4-Dibromobenzene 106-37-6 Yes (Last revised: 03-31-1987) No No
Dibromochloromethane 124-48-1 Yes (Last revised: 09-30-1987) No Yes (Last revised: 01-01-1992)
Dibromodichloromethane 594-18-3 No No Yes (Last revised: 03-01-1991)
p,p'-Dibromodiphenyl ether 2050-47-7 No No Yes (Last revised: 08-01-1990)
1,2-Dibromoethane 106-93-4 Yes (Last revised: 07-29-2004) Yes (Last revised: 07-29-2004) Yes (Last revised: 07-29-2004)
Dibutyl phthalate (DBP) 84-74-2 Yes (Last revised: 01-31-1987) Message (Last revised: 10-01-1990) Yes (Last revised: 09-07-1988)
Dicamba 1918-00-9 Yes (Last revised: 08-22-1988) No No
Dichloroacetic acid 79-43-6 Yes (Last revised: 09-11-2003) Discussion (Last revised: 09-11-2003) Yes (Last revised: 09-11-2003)
1,2-Dichlorobenzene 95-50-1 Yes (Last revised: 08-01-1989) No Yes (Last revised: 11-01-1990)
1,3-Dichlorobenzene 541-73-1 No No Yes (Last revised: 09-01-1990)
1,4-Dichlorobenzene 106-46-7 No Yes (Last revised: 01-01-1994) No
3,3'-Dichlorobenzidine 91-94-1 No Discussion (Last revised: 11-01-1991) Yes (Last revised: 08-01-1990)
Dichlorodifluoromethane 75-71-8 Yes (Last revised: 01-31-1987) No No
p,p'-Dichlorodiphenyl dichloroethane (DDD) 72-54-8 No No Yes (Last revised: 08-22-1988)
p,p'-Dichlorodiphenyldichloroethylene (DDE) 72-55-9 No No Yes (Last revised: 08-22-1988)
p,p'-Dichlorodiphenyltrichloroethane (DDT) 50-29-3 Yes (Last revised: 03-31-1987) No Yes (Last revised: 08-22-1988)
1,1-Dichloroethane 75-34-3 No No Yes (Last revised: 10-01-1990)
1,2-Dichloroethane 107-06-2 No No Yes (Last revised: 03-31-1987)
cis-1,2-Dichloroethylene 156-59-2 Yes (Last revised: 09-30-2010) Discussion (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010)
trans-1,2-Dichloroethylene 156-60-5 Yes (Last revised: 09-30-2010) Discussion (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010)
1,1-Dichloroethylene (1,1-DCE) 75-35-4 Yes (Last revised: 08-13-2002) Yes (Last revised: 08-13-2002) Yes (Last revised: 08-13-2002)
Dichloromethane 75-09-2 Yes (Last revised: 11-18-2011) Yes (Last revised: 11-18-2011) Yes (Last revised: 11-18-2011)
2,4-Dichlorophenol 120-83-2 Yes (Last revised: 01-31-1987) No No
2,4-Dichlorophenoxyacetic acid (2,4-D) 94-75-7 Yes (Last revised: 03-31-1987) No No
1,2-Dichloropropane 78-87-5 No Yes (Last revised: 12-01-1991) No
2,3-Dichloropropanol 616-23-9 Yes (Last revised: 11-01-1990) No No
1,3-Dichloropropene 542-75-6 Yes (Last revised: 05-25-2000) Yes (Last revised: 05-25-2000) Yes (Last revised: 05-25-2000)
Dichlorvos 62-73-7 Yes (Last revised: 11-01-1993) Yes (Last revised: 06-01-1994) Yes (Last revised: 10-01-1989)
Dicofol 115-32-2 No No Withdrawn (Last revised: 04-01-1992)
Dieldrin 60-57-1 Yes (Last revised: 09-07-1988) No Yes (Last revised: 09-07-1988)
Diesel engine exhaust Message (Last revised: 02-28-2003) Yes (Last revised: 02-28-2003) Yes (Last revised: 02-28-2003)
Diethyl phthalate (DEP) 84-66-2 Yes (Last revised: 09-30-1987) No Yes (Last revised: 09-07-1988)
Diethyl sulfate 64-67-5 No Message (Last revised: 11-01-1991) No
Diethyl-p-nitrophenylphosphate 311-45-5 No No Yes (Last revised: 10-01-1992)
Diethylene glycol dinitrate (DEGDN) 693-21-0 No No Yes (Last revised: 02-01-1993)
Diflubenzuron 35367-38-5 Yes (Last revised: 09-30-1987) No No
1,1-Difluoroethane 75-37-6 No Yes (Last revised: 09-01-1994) No
Diisopropyl methylphosphonate (DIMP) 1445-75-6 Yes (Last revised: 04-01-1989) No Yes (Last revised: 03-01-1989)
Dimethyl phthalate 131-11-3 No Message (Last revised: 09-01-1990) Yes (Last revised: 09-07-1988)
Dimethyl sulfate 77-78-1 No Message (Last revised: 01-01-1992) Yes (Last revised: 09-07-1988)
Dimethyl terephthalate (DMT) 120-61-6 Yes (Last revised: 01-31-1987) No No
Dimethylamine 124-40-3 No Withdrawn (Last revised: 01-01-1991) No
N-N-Dimethylaniline 121-69-7 Yes (Last revised: 09-30-1987) No No
3,3-Dimethylbenzidine 119-93-7 No Message (Last revised: 07-01-1991) No
N,N-Dimethylformamide 68-12-2 No Yes (Last revised: 10-01-1990) No
2,4-Dimethylphenol 105-67-9 Yes (Last revised: 11-01-1990) No No
2,6-Dimethylphenol 576-26-1 Yes (Last revised: 09-07-1988) No No
3,4-Dimethylphenol 95-65-8 Yes (Last revised: 09-07-1988) No No
4,6-Dinitro-o-cyclohexyl phenol 131-89-5 Yes (Last revised: 08-22-1988) No No
m-Dinitrobenzene 99-65-0 Yes (Last revised: 08-22-1988) No Yes (Last revised: 03-01-1991)
o-Dinitrobenzene 528-29-0 No No Yes (Last revised: 09-01-1992)
2,4-Dinitrophenol 51-28-5 Yes (Last revised: 03-31-1987) Message (Last revised: 10-01-1991) No
2,4-Dinitrotoluene 121-14-2 Yes (Last revised: 06-01-1992) Message (Last revised: 03-01-1991) No
2,4-/2,6-Dinitrotoluene mixture No No Yes (Last revised: 09-01-1990)
Dinoseb 88-85-7 Yes (Last revised: 01-31-1987) No Yes (Last revised: 08-01-1989)
1,4-Dioxane 123-91-1 Yes (Last revised: 08-11-2010) Yes (Last revised: 09-20-2013) Yes (Last revised: 09-20-2013)
Diphenamid 957-51-7 Yes (Last revised: 09-30-1987) No No
1,2-Diphenylhydrazine 122-66-7 No Message (Last revised: 11-01-1991) Yes (Last revised: 01-31-1987)
Diquat 85-00-7 Yes (Last revised: 03-31-1987) No No
Disulfoton 298-04-4 Yes (Last revised: 03-31-1987) No No
1,4-Dithiane 505-29-3 Yes (Last revised: 03-01-1993) No Yes (Last revised: 03-01-1991)
Diuron 330-54-1 Yes (Last revised: 08-22-1988) No No
Endosulfan 115-29-7 Yes (Last revised: 10-01-1994) No No
Endothall 145-73-3 Yes (Last revised: 03-31-1987) No No
Endrin 72-20-8 Yes (Last revised: 09-07-1988) No Yes (Last revised: 10-01-1989)
Epichlorohydrin 106-89-8 Withdrawn (Last revised: 04-01-1992) Yes (Last revised: 04-01-1992) Yes (Last revised: 03-01-1988)
1,2-Epoxybutane (EBU) 106-88-7 No Yes (Last revised: 05-01-1992) No
Ethephon 16672-87-0 Yes (Last revised: 08-22-1988) No No
Ethion 563-12-2 Yes (Last revised: 09-01-1989) No No
2-Ethoxyethanol 110-80-5 No Yes (Last revised: 05-01-1991) No
Ethyl acetate 141-78-6 Yes (Last revised: 03-01-1987) No No
Ethyl carbamate 51-79-6 No Message (Last revised: 04-01-1992) No
Ethyl chloride 75-00-3 No Yes (Last revised: 04-01-1991) No
Ethyl ether 60-29-7 Yes (Last revised: 09-01-1990) No No
Ethyl p-nitrophenyl phenylphosphorothioate (EPN) 2104-64-5 Yes (Last revised: 09-30-1987) No No
Ethylbenzene 100-41-4 Yes (Last revised: 01-31-1987) Yes (Last revised: 03-01-1991) Yes (Last revised: 09-17-1988)
Ethylene diamine 107-15-3 No Message (Last revised: 05-01-1991) Yes (Last revised: 11-01-1992)
Ethylene glycol 107-21-1 Yes (Last revised: 09-30-1987) No No
Ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) 111-76-2 Yes (Last revised: 03-31-2010) Yes (Last revised: 03-31-2010) Yes (Last revised: 03-31-2010)
Ethylene oxide 75-21-8 No No Yes (Last revised: 12-16-2016)
Ethylene thiourea (ETU) 96-45-7 Yes (Last revised: 05-01-1991) No No
Ethyleneimine 151-56-4 No Message (Last revised: 04-01-1992) No
Ethylphthalyl ethylglycolate (EPEG) 84-72-0 Yes (Last revised: 01-31-1987) No No
Express 101200-48-0 Yes (Last revised: 01-01-1989) No No
Fenamiphos 22224-92-6 Yes (Last revised: 09-30-1987) No No
Fluometuron 2164-17-2 Yes (Last revised: 09-30-1987) No No
Fluoranthene 206-44-0 Yes (Last revised: 09-01-1990) No Yes (Last revised: 12-01-1990)
Fluorene 86-73-7 Yes (Last revised: 11-01-1990) No Yes (Last revised: 12-01-1990)
Fluorine (soluble fluoride) 7782-41-4 Yes (Last revised: 01-31-1987) No No
Fluridone 59756-60-4 Yes (Last revised: 08-22-1988) No No
Fluvalinate 69409-94-5 Yes (Last revised: 06-30-1988) No No
Fonofos 944-22-9 Yes (Last revised: 03-31-1987) No No
Formaldehyde 50-00-0 Yes (Last revised: 09-01-1990) No Yes (Last revised: 10-01-1989)
Formic acid 64-18-6 Withdrawn (Last revised: 12-01-1990) No No
Furan 110-00-9 Yes (Last revised: 01-31-1987) No No
Furfural 98-01-1 Yes (Last revised: 09-07-1988) No No
Furmecyclox 60568-05-0 No No Yes (Last revised: 09-07-1988)
Glycidaldehyde 765-34-4 Yes (Last revised: 08-22-1988) No Yes (Last revised: 08-01-1991)
Glyphosate 1071-83-6 Yes (Last revised: 01-31-1987) No Yes (Last revised: 10-01-1989)
Haloxyfop-methyl 69806-40-2 Yes (Last revised: 05-01-1990) No No
Heptachlor 76-44-8 Yes (Last revised: 09-30-1987) No Yes (Last revised: 09-30-1987)
Heptachlor epoxide 1024-57-3 Yes (Last revised: 09-30-1987) No Yes (Last revised: 09-30-1987)
n-Heptane 142-82-5 No No Yes (Last revised: 01-01-1993)
Hexabromobenzene 87-82-1 Yes (Last revised: 03-31-1987) No No
Hexabromodiphenyl ether 36483-60-0 No No Yes (Last revised: 08-01-1990)
2,2',4,4',5,5'-Hexabromodiphenyl ether (BDE-153) 68631-49-2 Yes (Last revised: 06-30-2008) Discussion (Last revised: 06-30-2008) Yes (Last revised: 06-30-2008)
Hexachlorobenzene 118-74-1 Yes (Last revised: 09-26-1988) Message (Last revised: 03-01-1991) Yes (Last revised: 03-01-1991)
Hexachlorobutadiene 87-68-3 Withdrawn (Last revised: 05-01-1993) No Yes (Last revised: 03-31-1987)
alpha-Hexachlorocyclohexane (alpha-HCH) 319-84-6 No No Yes (Last revised: 03-31-1987)
beta-Hexachlorocyclohexane (beta-HCH) 319-85-7 No No Yes (Last revised: 09-30-1987)
delta-Hexachlorocyclohexane (delta-HCH) 319-86-8 No No Yes (Last revised: 03-31-1987)
epsilon-Hexachlorocyclohexane (epsilon-HC) 6108-10-7 No No Yes (Last revised: 03-31-1987)
gamma-Hexachlorocyclohexane (gamma-HCH) 58-89-9 Yes (Last revised: 01-31-1987) No No
technical Hexachlorocyclohexane (t-HCH) 608-73-1 No No Yes (Last revised: 03-31-1987)
Hexachlorocyclopentadiene (HCCPD) 77-47-4 Yes (Last revised: 07-05-2001) Yes (Last revised: 07-05-2001) Yes (Last revised: 07-05-2001)
Hexachlorodibenzo-p-dioxin (HxCDD), mixture of 1,2,3,6,7,8-HxCDD and 1,2,3,7,8,9-HxCDD 57653-85-7 No No Yes (Last revised: 03-31-1987)
Hexachloroethane 67-72-1 Yes (Last revised: 09-23-2011) Yes (Last revised: 09-23-2011) Yes (Last revised: 09-23-2011)
Hexachlorophene 70-30-4 Yes (Last revised: 08-22-1988) No No
Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) 121-82-4 Yes (Last revised: 09-26-1988) No Yes (Last revised: 08-01-1990)
1,6-Hexamethylene diisocyanate 822-06-0 No Yes (Last revised: 09-01-1994) No
n-Hexane 110-54-3 Discussion (Last revised: 12-23-2005) Yes (Last revised: 12-23-2005) Yes (Last revised: 12-23-2005)
2-Hexanone 591-78-6 Yes (Last revised: 09-25-2009) Yes (Last revised: 09-25-2009) Yes (Last revised: 09-25-2009)
Hexazinone 51235-04-2 Yes (Last revised: 09-30-1987) No No
Hydrazine/Hydrazine sulfate 302-01-2 No No Yes (Last revised: 09-07-1988)
Hydrogen Cyanide and Cyanide Salts Various Yes (Last revised: 09-28-2010) Yes (Last revised: 09-28-2010) Discussion (Last revised: 09-28-2010)
Hydrogen chloride 7647-01-0 No Yes (Last revised: 07-01-1995) No
Hydrogen sulfide 7783-06-4 Withdrawn; discussion (Last revised: 07-28-2003) Yes (Last revised: 07-28-2003) Yes (Last revised: 07-28-2003)
Hydroquinone 123-31-9 No Message (Last revised: 10-01-1990) No
Imazaquin 81335-37-7 Yes (Last revised: 01-31-1987) No No
Indeno[1,2,3-cd]pyrene 193-39-5 No No Yes (Last revised: 12-01-1990)
Iprodione 36734-19-7 Yes (Last revised: 06-30-1988) No No
Isobutyl alcohol 78-83-1 Yes (Last revised: 03-31-1987) No No
Isophorone 78-59-1 Yes (Last revised: 09-01-1989) Message (Last revised: 03-01-1991) Yes (Last revised: 10-01-1992)
Isopropalin 33820-53-0 Yes (Last revised: 01-31-1987) No No
Isopropyl methyl phosphonic acid (IMPA) 1832-54-8 Yes (Last revised: 06-01-1992) No Yes (Last revised: 03-01-1991)
Isoxaben 82558-50-7 Yes (Last revised: 09-26-1988) No Yes (Last revised: 09-01-1991)
Lead and compounds (inorganic) 7439-92-1 Discussion (Last revised: 07-08-2004) No Yes (Last revised: 09-26-1988)
Libby Amphibole asbestos Message (Last revised: 12-08-2014) Yes (Last revised: 12-08-2014) Yes (Last revised: 12-08-2014)
d-Limonene 5989-27-5 No Discussion (Last revised: 12-01-1993) No
Londax 83055-99-6 Yes (Last revised: 09-07-1988) No No
Malathion 121-75-5 Yes (Last revised: 09-30-1987) No No
Maleic anhydride 108-31-6 Yes (Last revised: 08-22-1988) No No
Maleic hydrazide 123-33-1 Yes (Last revised: 03-31-1987) No No
Maneb 12427-38-2 Yes (Last revised: 09-07-1988) No No
Manganese 7439-96-5 Yes (Last revised: 11-01-1995) Yes (Last revised: 12-01-1993) Yes (Last revised: 09-26-1988)
Mepiquat chloride 24307-26-4 Yes (Last revised: 08-22-1988) No No
Mercuric chloride (HgCl2) 7487-94-7 Yes (Last revised: 05-01-1995) No Yes (Last revised: 05-01-1995)
Mercury, elemental 7439-97-6 No Yes (Last revised: 06-01-1995) Yes (Last revised: 05-01-1995)
Merphos 150-50-5 Yes (Last revised: 09-07-1988) Message (Last revised: 11-01-1992) No
Metalaxyl 57837-19-1 Yes (Last revised: 01-31-1987) No No
Methacrylonitrile 126-98-7 Yes (Last revised: 09-07-1988) No No
Methamidophos 10265-92-6 Yes (Last revised: 09-30-1987) No No
Methanol 67-56-1 Yes (Last revised: 09-30-2013) Yes (Last revised: 09-30-2013) No
Methomyl 16752-77-5 Yes (Last revised: 01-31-1987) No No
Methoxychlor 72-43-5 Yes (Last revised: 09-01-1990) Discussion (Last revised: 12-01-1993) Yes (Last revised: 09-07-1988)
2-Methoxyethanol 109-86-4 No Yes (Last revised: 05-01-1991) No
Methyl acrylate 96-33-3 No No Yes (Last revised: 12-01-1990)
Methyl chloride 74-87-3 Discussion (Last revised: 07-17-2001) Yes (Last revised: 07-17-2001) Yes (Last revised: 07-17-2001)
Methyl chlorocarbonate 79-22-1 Withdrawn (Last revised: 05-01-1989) No No
Methyl ethyl ketone (MEK) 78-93-3 Yes (Last revised: 09-26-2003) Yes (Last revised: 09-26-2003) Yes (Last revised: 09-26-2003)
Methyl iodide 74-88-4 No No No
Methyl isobutyl ketone (MIBK) 108-10-1 Withdrawn; discussion (Last revised: 04-25-2003) Yes (Last revised: 04-25-2003) Yes (Last revised: 04-25-2003)
Methyl isocyanate 624-83-9 No Message (Last revised: 03-01-1991) No
Methyl methacrylate 80-62-6 Yes (Last revised: 03-02-1998) Yes (Last revised: 03-02-1998) Yes (Last revised: 03-02-1998)
Methyl parathion 298-00-0 Yes (Last revised: 03-31-1987) No No
Methyl tert-butyl ether (MTBE) 1634-04-4 No Yes (Last revised: 09-01-1993) No
2-(2-Methyl-4-chlorophenoxy)propionic acid (MCPP) 93-65-2 Yes (Last revised: 01-01-1989) No No
2-Methyl-4-chlorophenoxyacetic acid (MCPA) 94-74-6 Yes (Last revised: 08-28-1987) No No
Methylene Diphenyl Diisocyanate (monomeric MDI) and polymeric MDI (PMDI) 101-68-8 No Yes (Last revised: 02-07-1998) Yes (Last revised: 02-07-1998)
4,4'-Methylene bis(N,N'-dimethyl)aniline 101-61-1 No No Yes (Last revised: 08-01-1989)
Methylmercury (MeHg) 22967-92-6 Yes (Last revised: 07-27-2001) No Yes (Last revised: 05-01-1995)
2-Methylnaphthalene 91-57-6 Yes (Last revised: 12-22-2003) Discussion (Last revised: 12-22-2003) Yes (Last revised: 12-22-2003)
2-Methylphenol 95-48-7 Yes (Last revised: 09-07-1988) Message (Last revised: 04-01-1992) Yes (Last revised: 09-01-1990)
3-Methylphenol 108-39-4 Yes (Last revised: 08-22-1988) Message (Last revised: 04-01-1992) Yes (Last revised: 09-01-1990)
4-Methylphenol 106-44-5 Withdrawn (Last revised: 08-01-1991) Message (Last revised: 04-01-1992) Yes (Last revised: 09-01-1990)
Metolachlor 51218-45-2 Yes (Last revised: 10-01-1990) No Yes (Last revised: 08-22-1988)
Metribuzin 21087-64-9 Yes (Last revised: 01-31-1987) No Yes (Last revised: 12-01-1993)
Mirex 2385-85-5 Yes (Last revised: 10-01-1992) No No
Molinate 2212-67-1 Yes (Last revised: 09-26-1988) No No
Molybdenum 7439-98-7 Yes (Last revised: 11-01-1992) No No
Monochloramine 10599-90-3 Yes (Last revised: 03-01-1994) No Yes (Last revised: 12-01-1993)
Naled 300-76-5 Yes (Last revised: 03-31-1987) No No
Naphthalene 91-20-3 Yes (Last revised: 09-17-1998) Yes (Last revised: 09-17-1998) Yes (Last revised: 09-17-1998)
Nickel carbonyl 13463-39-3 No No Yes (Last revised: 09-30-1987)
Nickel refinery dust No No Yes (Last revised: 09-30-1987)
Nickel subsulfide 12035-72-2 No No Yes (Last revised: 09-30-1987)
Nickel, soluble salts Yes (Last revised: 12-01-1991) No Message (Last revised: 08-01-1994)
Nitrapyrin 1929-82-4 Withdrawn (Last revised: 07-01-1992) No No
Nitrate 14797-55-8 Yes (Last revised: 05-01-1991) No No
Nitric oxide 10102-43-9 Withdrawn; discussion (Last revised: 09-01-1994) No No
Nitrite 14797-65-0 Yes (Last revised: 01-31-1987) No No
Nitrobenzene 98-95-3 Yes (Last revised: 02-06-2009) Yes (Last revised: 02-06-2009) Yes (Last revised: 02-06-2009)
Nitrogen dioxide 10102-44-0 Withdrawn; message (Last revised: 09-01-1994) Message (Last revised: 02-01-1993) No
Nitroguanidine 556-88-7 Yes (Last revised: 09-01-1989) No Yes (Last revised: 09-01-1990)
p-Nitrophenol 100-02-7 No Message (Last revised: 10-01-1991) No
2-Nitropropane 79-46-9 No Yes (Last revised: 03-01-1991) No
N-Nitroso-N-methylethylamine 10595-95-6 No No Yes (Last revised: 03-01-1988)
N-Nitroso-di-n-butylamine 924-16-3 No No Yes (Last revised: 01-31-1987)
N-Nitrosodi-N-propylamine 621-64-7 No No Yes (Last revised: 03-31-1987)
N-Nitrosodiethanolamine 1116-54-7 No No Yes (Last revised: 09-30-1987)
N-Nitrosodiethylamine 55-18-5 No No Yes (Last revised: 01-31-1987)
N-Nitrosodimethylamine 62-75-9 No No Yes (Last revised: 01-31-1987)
N-Nitrosodiphenylamine 86-30-6 No No Yes (Last revised: 03-31-1987)
N-Nitrosopyrrolidine 930-55-2 No No Yes (Last revised: 01-31-1987)
Nonabromodiphenyl ether 63936-56-1 No No Yes (Last revised: 08-01-1990)
Octabromodiphenyl ether 32536-52-0 Yes (Last revised: 03-31-1987) No Yes (Last revised: 08-01-1990)
Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) 2691-41-0 Yes (Last revised: 09-26-1988) No Yes (Last revised: 03-01-1989)
Oxadiazon 19666-30-9 Yes (Last revised: 09-30-1987) No No
Oxamyl 23135-22-0 Yes (Last revised: 03-31-1987) No No
Paclobutrazol 76738-62-0 Yes (Last revised: 03-31-1987) No No
Paraquat 1910-42-5 Yes (Last revised: 03-31-1987) No Yes (Last revised: 08-22-1988)
Parathion 56-38-2 No No Yes (Last revised: 08-22-1988)
Pentabromodiphenyl ether 32534-81-9 Yes (Last revised: 03-31-1987) No Yes (Last revised: 08-01-1990)
2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) 60348-60-9 Yes (Last revised: 06-30-2008) Discussion (Last revised: 06-30-2008) Yes (Last revised: 06-30-2008)
Pentachlorobenzene 608-93-5 Yes (Last revised: 01-31-1987) No Yes (Last revised: 11-01-1992)
Pentachlorocyclopentadiene 25329-35-5 No No Yes (Last revised: 03-01-1990)
Pentachloronitrobenzene (PCNB) 82-68-8 Yes (Last revised: 09-30-1987) No No
Pentachlorophenol 87-86-5 Yes (Last revised: 09-30-2010) Discussion (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010)
Pentafluoroethane 354-33-6 No Discussion (Last revised: 12-01-1993) No
Perchlorate (ClO4) and Perchlorate Salts 7790-98-9 Yes (Last revised: 02-18-2005) Discussion (Last revised: 02-18-2005) Yes (Last revised: 02-18-2005)
Permethrin 52645-53-1 Yes (Last revised: 03-31-1987) No No
Phenanthrene 85-01-8 No No Yes (Last revised: 12-01-1990)
Phenol 108-95-2 Yes (Last revised: 09-30-2002) Discussion (Last revised: 09-30-2002) Yes (Last revised: 09-30-2002)
m-Phenylenediamine 108-45-2 Yes (Last revised: 01-31-1987) No No
Phenylmercuric acetate 62-38-4 Yes (Last revised: 01-31-1987) No No
Phosalone 2310-17-0 Withdrawn (Last revised: 12-01-1988) No No
Phosgene 75-44-5 Discussion (Last revised: 01-31-2006) Yes (Last revised: 01-31-2006) Yes (Last revised: 01-31-2006)
Phosmet 732-11-6 Yes (Last revised: 01-31-1987) No No
Phosphine 7803-51-2 Yes (Last revised: 01-31-1987) Yes (Last revised: 07-01-1995) Yes (Last revised: 09-01-1992)
Phosphoric acid 7664-38-2 No Yes (Last revised: 08-01-1995) No
Phthalic anhydride 85-44-9 Yes (Last revised: 09-07-1988) No No
Picloram 1918-02-1 Yes (Last revised: 09-30-1987) No No
Polychlorinated biphenyls (PCBs) 1336-36-3 Message (Last revised: 06-01-1994) No Yes (Last revised: 10-01-1996)
Potassium cyanide 151-50-8 Yes (Last revised: 09-28-2010) No No
Potassium silver cyanide 506-61-6 Yes (Last revised: 09-28-2010) No No
Prochloraz 67747-09-5 Yes (Last revised: 01-01-1989) No Yes (Last revised: 10-01-1989)
Prometon 1610-18-0 Yes (Last revised: 01-31-1987) No No
Pronamide 23950-58-5 Yes (Last revised: 01-31-1987) No No
Propachlor 1918-16-7 Yes (Last revised: 01-31-1987) No No
Propanil 709-98-8 Yes (Last revised: 03-01-1988) No No
Propargyl alcohol 107-19-7 Yes (Last revised: 11-01-1990) No No
Propazine 139-40-2 Yes (Last revised: 08-28-1987) No No
Propham 122-42-9 Yes (Last revised: 09-30-1987) No No
beta-Propiolactone 57-57-8 No Message (Last revised: 07-01-1991) No
Propionaldehyde 123-38-6 Discussion (Last revised: 09-30-2008) Yes (Last revised: 09-30-2008) Yes (Last revised: 09-30-2008)
Propylene glycol 57-55-6 No Message (Last revised: 06-01-1991) No
Propylene glycol monoethyl ether 52125-53-8 No Message (Last revised: 06-01-1991) No
Propylene glycol monomethyl ether (PGME) 107-98-2 No Yes (Last revised: 07-01-1991) No
Propylene oxide 75-56-9 No Yes (Last revised: 11-01-1990) Yes (Last revised: 10-01-1990)
Propyleneimine 75-55-8 No Message (Last revised: 01-01-1992) No
Pydrin 51630-58-1 Yes (Last revised: 03-31-1987) No No
Pyrene 129-00-0 Yes (Last revised: 09-01-1990) No Yes (Last revised: 09-01-1990)
Pyridine 110-86-1 Yes (Last revised: 09-30-1987) No No
Quinalphos 13593-03-8 Yes (Last revised: 03-31-1987) No No
Quinoline 91-22-5 Discussion (Last revised: 09-27-2001) Discussion (Last revised: 09-27-2001) Yes (Last revised: 09-27-2001)
Quinone 106-51-4 No Message (Last revised: 10-01-1990) No
Radium 226,228 Various No No Withdrawn (Last revised: 01-01-1989)
Radon 222 14859-67-7 No No Withdrawn (Last revised: 07-01-1989)
Refractory ceramic fibers No No Yes (Last revised: 09-01-1992)
Resmethrin 10453-86-8 Yes (Last revised: 09-26-1988) No No
Rotenone 83-79-4 Yes (Last revised: 09-07-1988) No No
Savey 78587-05-0 Yes (Last revised: 09-26-1988) No No
Selenious acid 7783-00-8 Yes (Last revised: 06-01-1991) No Yes (Last revised: 03-01-1991)
Selenium and Compounds 7782-49-2 Yes (Last revised: 06-01-1991) No Yes (Last revised: 03-01-1991)
Selenium sulfide 7446-34-6 No No Yes (Last revised: 03-01-1991)
Selenourea 630-10-4 Withdrawn (Last revised: 05-01-1991) No No
Silver 7440-22-4 Yes (Last revised: 12-01-1991) No Yes (Last revised: 06-01-1989)
Silver cyanide 506-64-9 Yes (Last revised: 01-31-1987) No No
Simazine 122-34-9 Yes (Last revised: 09-01-1993) No No
Sodium azide 26628-22-8 Yes (Last revised: 03-31-1987) No No
Sodium cyanide 143-33-9 Yes (Last revised: 09-28-2010) No No
Sodium diethyldithiocarbamate 148-18-5 Yes (Last revised: 01-31-1987) No No
Sodium fluoroacetate 62-74-8 Yes (Last revised: 05-01-1991) No No
Strontium 7440-24-6 Yes (Last revised: 10-01-1992) No No
Strychnine 57-24-9 Yes (Last revised: 01-31-1987) No No
Styrene 100-42-5 Yes (Last revised: 01-31-1987) Yes (Last revised: 11-01-1992) No
Systhane 88671-89-0 Yes (Last revised: 09-26-1988) No No
Tebuthiuron 34014-18-1 Yes (Last revised: 08-22-1988) No No
Terbacil 5902-51-2 Yes (Last revised: 01-31-1987) No No
Terbutryn 886-50-0 Yes (Last revised: 09-26-1988) No No
Tetrabromodiphenyl ether 40088-47-9 No No Yes (Last revised: 08-01-1990)
2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) 5436-43-1 Yes (Last revised: 06-30-2008) Discussion (Last revised: 06-30-2008) Yes (Last revised: 06-30-2008)
1,2,4,5-Tetrachlorobenzene 95-94-3 Yes (Last revised: 01-31-1987) No No
Tetrachlorocyclopentadiene 695-77-2 No No Yes (Last revised: 03-01-1990)
2,3,7,8-Tetrachlorodibenzo-p-dioxin 1746-01-6 Yes (Last revised: 02-17-2012) No Message (Last revised: 02-17-2012)
1,1,1,2-Tetrachloroethane 630-20-6 Yes (Last revised: 09-30-1987) No Yes (Last revised: 03-01-1989)
1,1,2,2-Tetrachloroethane 79-34-5 Yes (Last revised: 09-30-2010) Discussion (Last revised: 09-30-2010) Yes (Last revised: 09-30-2010)
Tetrachloroethylene 127-18-4 Yes (Last revised: 02-10-2012) Yes (Last revised: 02-10-2012) Yes (Last revised: 02-10-2012)
2,3,4,6-Tetrachlorophenol 58-90-2 Yes (Last revised: 03-01-1988) No No
Tetrachlorovinphos 961-11-5 Yes (Last revised: 03-31-1987) No No
Tetraethyl lead 78-00-2 Yes (Last revised: 01-31-1987) No No
Tetraethyldithiopyrophosphate 3689-24-5 Yes (Last revised: 09-07-1988) No No
1,1,1,2-Tetrafluoroethane 811-97-2 No Yes (Last revised: 08-01-1995) No
Tetrahydrofuran 109-99-9 Yes (Last revised: 02-21-2012) Yes (Last revised: 02-21-2012) Yes (Last revised: 02-21-2012)
Thallium (I), soluble salts Various Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium acetate 563-68-8 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium carbonate 6533-73-9 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium chloride 7791-12-0 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium nitrate 10102-45-1 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium oxide 1314-32-5 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium selenite 12039-52-0 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thallium(I) sulfate 7446-18-6 Discussion (Last revised: 09-30-2009) Discussion (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Thiobencarb 28249-77-6 Yes (Last revised: 09-30-1987) No No
Toluene 108-88-3 Yes (Last revised: 09-23-2005) Yes (Last revised: 09-23-2005) Yes (Last revised: 09-23-2005)
2,4-/2,6-Toluene diisocyanate mixture (TDI) 26471-62-5 No Yes (Last revised: 09-01-1995) No
Toxaphene 8001-35-2 No No Yes (Last revised: 08-22-1988)
Tralomethrin 66841-25-6 Yes (Last revised: 07-01-1989) No No
Triasulfuron 82097-50-5 Yes (Last revised: 01-01-1991) No No
1,2,4-Tribromobenzene 615-54-3 Yes (Last revised: 03-31-1987) No No
Tribromochloromethane 594-15-0 No No Yes (Last revised: 03-01-1991)
Tribromodiphenyl ether 49690-94-0 No No Yes (Last revised: 08-01-1990)
Tributyltin oxide (TBTO) 56-35-9 Yes (Last revised: 09-01-1997) Discussion (Last revised: 09-01-1997) Yes (Last revised: 09-01-1997)
1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) 76-13-1 Yes (Last revised: 04-06-1987) No No
Trichloroacetic acid 76-03-9 Yes (Last revised: 09-30-2011) Discussion (Last revised: 09-30-2011) Yes (Last revised: 09-30-2011)
1,2,4-Trichlorobenzene 120-82-1 Yes (Last revised: 05-01-1992) No Yes (Last revised: 06-01-1989)
Trichlorocyclopentadiene 77323-84-3 No No Yes (Last revised: 03-01-1990)
1,1,1-Trichloroethane 71-55-6 Yes (Last revised: 09-28-2007) Yes (Last revised: 09-28-2007) Yes (Last revised: 09-28-2007)
1,1,2-Trichloroethane 79-00-5 Yes (Last revised: 09-26-1988) No Yes (Last revised: 03-31-1987)
Trichloroethylene 79-01-6 Yes (Last revised: 09-28-2011) Yes (Last revised: 09-28-2011) Yes (Last revised: 09-28-2011)
Trichlorofluoromethane 75-69-4 Yes (Last revised: 01-31-1987) No No
2,4,5-Trichlorophenol 95-95-4 Yes (Last revised: 01-31-1987) Message (Last revised: 07-01-1991) No
2,4,6-Trichlorophenol 88-06-2 No Message (Last revised: 07-01-1991) Yes (Last revised: 06-01-1990)
2(2,4,5-Trichlorophenoxy) propionic acid (2,4,5-TP) 93-72-1 Yes (Last revised: 09-07-1988) No Yes (Last revised: 08-22-1988)
2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) 93-76-5 Yes (Last revised: 09-07-1988) No No
1,1,2-Trichloropropane 598-77-6 Yes (Last revised: 09-26-1988) No No
1,2,3-Trichloropropane 96-18-4 Yes (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009) Yes (Last revised: 09-30-2009)
Tricresol 1319-77-3 No Message (Last revised: 04-01-1992) No
Tridiphane 58138-08-2 Yes (Last revised: 01-31-1987) No No
Triethylamine 121-44-8 No Yes (Last revised: 04-01-1991) No
Triethylene glycol monobutyl ether 143-22-6 No Discussion (Last revised: 09-01-1994) No
Triethylene glycol monoethyl ether 112-50-5 No Discussion (Last revised: 09-01-1994) No
Trifluralin 1582-09-8 Yes (Last revised: 07-01-1989) No Yes (Last revised: 08-22-1988)
1,2,3-Trimethylbenzene 526-73-8 Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016)
1,2,4-Trimethylbenzene 95-63-6 Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016)
1,3,5-Trimethylbenzene 108-67-8 Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016) Yes (Last revised: 09-09-2016)
2,2,4-Trimethylpentane 540-84-1 Discussion (Last revised: 07-31-2007) Discussion (Last revised: 07-31-2007) Yes (Last revised: 07-31-2007)
1,3,5-Trinitrobenzene 99-35-4 Yes (Last revised: 10-01-1997) No No
2,4,6-Trinitrotoluene (TNT) 118-96-7 Yes (Last revised: 09-26-1988) No Yes (Last revised: 06-01-1989)
Uranium, natural 7440-61-1 No No Withdrawn (Last revised: 01-01-1989)
Uranium, soluble salts Yes (Last revised: 10-01-1989) No No
Urea 57-13-6 Discussion (Last revised: 07-13-2011) Discussion (Last revised: 07-13-2011) Yes (Last revised: 07-13-2011)
Vanadium pentoxide 1314-62-1 Yes (Last revised: 06-30-1988) No No
Vernam 1929-77-7 Yes (Last revised: 03-31-1987) No No
Vinyl acetate 108-05-4 No Yes (Last revised: 10-01-1990) No
Vinyl bromide 593-60-2 No Yes (Last revised: 05-01-1993) No
Vinyl chloride 75-01-4 Yes (Last revised: 08-07-2000) Yes (Last revised: 08-07-2000) Yes (Last revised: 08-07-2000)
Warfarin 81-81-2 Yes (Last revised: 03-31-1987) No No
White phosphorus 7723-14-0 Yes (Last revised: 08-01-1990) No Yes (Last revised: 12-01-1990)
Xylenes 1330-20-7 Yes (Last revised: 02-21-2003) Yes (Last revised: 02-21-2003) Yes (Last revised: 02-21-2003)
Zinc and Compounds 7440-66-6 Yes (Last revised: 08-03-2005) Discussion (Last revised: 08-03-2005) Yes (Last revised: 08-03-2005)
Zinc cyanide 557-21-1 Yes (Last revised: 01-31-1987) No No
Zinc phosphide 1314-84-7 Yes (Last revised: 03-31-1987) No No
Zineb 12122-67-7 Yes (Last revised: 03-31-1987) No No