IRIS Advanced Search
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.
Please use the filters on the left to search for assessments.
Search Filtered By:
No Filters Selected| 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| Acetonitrile | 75-05-8 | Withdrawn; discussion (Last revised: 03-03-1999) | Yes (Last revised: 03-03-1999) | Yes (Last revised: 03-03-1999) |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) |
| 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) |
| 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) |
| 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) |
| 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 |
| 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) |
| 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 |
| 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) |
| 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-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 |
| N-N-Dimethylaniline | 121-69-7 | Yes (Last revised: 09-30-1987) | No | 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 | Various | 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 | 2764-72-9 | 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 Tertiary Butyl Ether (ETBE) | 637-92-3 | Yes (Last revised: 08-13-2021) | Yes (Last revised: 08-13-2021) | Yes (Last revised: 08-13-2021) |
| Ethyl acetate | 141-78-6 | Yes (Last revised: 03-01-1987) | No | 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 |
| 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: 05-01-1991) |
| 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: 08-30-2018) | No (Last revised: 08-30-2018) | Yes (Last revised: 08-30-2018) |
| 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) |
| 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 | 1318-09-8 | 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 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 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 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 | Various | Yes (Last revised: 12-01-1991) | No | Message (Last revised: 08-01-1994) |
| 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) |
| 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) |
| Perfluorobutanoic Acid (PFBA) | 375-22-4 | Yes (Last revised: 12-22-2022) | No | Discussion (Last revised: 12-22-2022) |
| Perfluorohexanoic Acid (PFHxA) | 307-24-4 | Yes (Last revised: 04-10-2023) | Yes (Last revised: 04-10-2023) | Yes (Last revised: 04-10-2023) |
| 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 |
| 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) |
| Polycyclic aromatic hydrocarbon (PAH) mixtures | Various | No | No | No |
| 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 |
| Propionaldehyde | 123-38-6 | Discussion (Last revised: 09-30-2008) | Yes (Last revised: 09-30-2008) | Yes (Last revised: 09-30-2008) |
| 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) |
| 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) |
| 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) |
| 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 (Perchloroethylene) | 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) |
| 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, soluble salts | Various | 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 |
| n-Butanol | 71-36-3 | Yes (Last revised: 03-31-1987) | No | Yes (Last revised: 03-01-1991) |
| tert-Butyl Alcohol (tBA) | 75-65-0 | Yes (Last revised: 08-13-2021) | Yes (Last revised: 08-13-2021) | Yes (Last revised: 08-13-2021) |