ATSDR Minimal Risk Level (MRLs) - July 2025
Route	Duration	MRL	Factors*	Endpoint	Draft/ Final	Cover Date	CAS Number
ACENAPHTHENE
Oral	Int.	0.6 mg/kg/day	300	Hepatic	Final	08/1995	83-32-9
ACETONE
Oral	Int.	0.6 mg/kg/day	100	Hemato.	Final	06/2022	67-64-1
Inh.	Acute	8 ppm	30	Neurol.	Final	06/2022	67-64-1
ACROLEIN
Inh.	Acute	0.003 ppm	100	Resp.	Draft	05/2024	107-02-8
Inh.	Int.	0.0004 ppm	30	Resp.	Draft	05/2024	107-02-8
Inh.	Chr.	0.0004 ppm	30	Resp.	Draft	05/2024	107-02-8
Oral	Int.	0.002 mg/kg/day	100	Gastro.	Draft	05/2024	107-02-8
ACRYLAMIDE
Oral	Acute	0.01 mg/kg/day	30	Repro.	Final	12/2012	79-06-1
Oral	Int.	0.001 mg/kg/day	30	Neurol.	Final	12/2012	79-06-1
Oral	Chr.	0.001 mg/kg/day	30	Neurol.	Final	12/2012	79-06-1
ACRYLONITRILE
Inh.	Int.	0.8 ppb	30	Resp.	Final	05/2025	107-13-1
Oral	Acute	0.09 mg/kg/day	100	Develop.	Final	05/2025	107-13-1
Oral	Int.	0.02 mg/kg/day	100	Gastro.	Final	05/2025	107-13-1
Oral	Chr.	0.09 µg/kg/day	1000	Gastro.	Final	05/2025	107-13-1
ALDRIN
Oral	Acute	2 ug/kg/day	100	Develop.	Final	06/2022	309-00-2
Oral	Chr.	0.04 ug/kg/day	1000	Hepatic	Final	06/2022	309-00-2
ALUMINUM
Oral	Int.	1 mg/kg/day	30	Neurol.	Final	09/2008	7429-90-5
Oral	Chr.	1 mg/kg/day	90	Neurol.	Final	09/2008	7429-90-5
AMMONIA
Inh.	Acute	1.7 ppm	30	Resp.	Final	09/2004	7664-41-7
Inh.	Chr.	0.1 ppm	30	Resp.	Final	09/2004	7664-41-7
ANTHRACENE
Oral	Int.	10 mg/kg/day	100	Hepatic	Final	08/1995	120-12-7
ANTIMONY
Inh	Acute	0.001 mg/m3	30	Resp.	Final	10/2019	7440-36-0
Inh.	Int.	0.001 mg/m3	30	Resp.	Final	10/2019	7440-36-0
Inh.	Chr.	0.0003 mg/m3	30	Resp.	Final	10/2019	7440-36-0
Oral	Acute	1 mg/kg/day	100	Hepatic	Final	10/2019	7440-36-0
Oral	Int.	0.0006 mg/kg/day	100	Metab.	Final	10/2019	7440-36-0
ARSENIC
Oral	Acute	0.005 mg/kg/day	10	Gastro.	Final	08/2007	7440-38-2
Oral	Chr.	0.0003 mg/kg/day	3	Dermal	Final	08/2007	7440-38-2
ATRAZINE
Oral	Acute	0.01 mg/kg/day	100	Body Wt.	Final	09/2003	1912-24-9
Oral	Int.	0.003 mg/kg/day	300	Repro.	Final	09/2003	1912-24-9
1-BROMOPROPANE
Inh.	Acute	1 ppm	30	Neurol.	Final	08/2017	106-94-5
Inh.	Int.	0.1 ppm	30	Neurol.	Final	08/2017	106-94-5
Inh.	Chr.	0.02 ppm	30	Neurol.	Final	08/2017	106-94-5
Oral	Acute	0.2 mg/kg/day	100	Neurol.	Final	08/2017	106-94-5
2-BUTANONE
Inh.	Acute	1 ppm	100	Neurol.	Final	10/2020	78-93-3
2-BUTOXYETHANOL
Inh.	Acute	6 ppm	9	Hemato.	Final	08/1998	111-76-2
Inh.	Int.	3 ppm	9	Hemato.	Final	08/1998	111-76-2
Inh.	Chr.	0.2 ppm	3	Hemato.	Final	08/1998	111-76-2
Oral	Acute	0.4 mg/kg/day	90	Hemato.	Final	08/1998	111-76-2
Oral	Int.	0.07 mg/kg/day	1000	Hepatic	Final	08/1998	111-76-2
BARIUM, SOLUBLE SALTS
Oral	Int.	0.2 mg/kg/day	300	Renal	Final	08/2007	7440-39-3
Oral	Chr.	0.2 mg/kg/day	300	Renal	Final	08/2007	7440-39-3
BENZENE
Inh.	Acute	0.009 ppm	300	Immuno.	Draft	10/2024	71-43-2
Inh.	Int.	0.007 ppm	300	Immuno.	Draft	10/2024	71-43-2
Inh.	Chr.	0.002 ppm	100	Immuno.	Draft	10/2024	71-43-2
Oral	Acute	0.0009 mg/kg/day	100	Hemato.	Draft	10/2024	71-43-2
Oral	Int.	0.0009 mg/kg/day	100	Hemato.	Draft	10/2024	71-43-2
Oral	Chr.	0.0003 mg/kg/day	3	Hemato.	Draft	10/2024	71-43-2
BERYLLIUM
Inh.	Chr.	1 ng/m3	30	Immuno.	Final	09/2023	7440-41-7
BIS(2 CHLOROETHYL)ETHER (BCEE)
Inh.	Int.	0.02 ppm	1000	Body Wt.	Final	10/2017	111-44-4
BIS(CHLOROMETHYL)ETHER (BCME)
Inh.	Int.	0.0003 ppm	100	Resp.	Final	11/2017	542-88-1
BORON AND COMPOUNDS
Inh.	Acute	0.3 mg/m3	3	Resp.	Final	11/2010	7440-42-8
Oral	Acute	0.2 mg/kg/day	100	Develop.	Final	11/2010	7440-42-8
Oral	Int.	0.2 mg/kg/day	66	Develop.	Final	11/2010	7440-42-8
BROMODICHLOROMETHANE
Oral	Acute	0.07 mg/kg/day	100	Develop.	Final	03/2020	75-27-4
Oral	Chr.	0.008 mg/kg/day	100	Hepatic	Final	03/2020	75-27-4
BROMOFORM
Oral	Acute	0.7 mg/kg/day	100	Hepatic	Final	08/2005	75-25-2
Oral	Int.	0.2 mg/kg/day	100	Hepatic	Final	08/2005	75-25-2
Oral	Chr.	0.02 mg/kg/day	3000	Hepatic	Final	08/2005	75-25-2
BROMOMETHANE
Inh.	Int.	0.02 ppm	90	Neurol.	Final	03/2020	74-83-9
Inh.	Chr.	0.001 ppm	90	Resp.	Final	03/2020	74-83-9
2-CHLOROPHENOL
Oral	Int.	0.08 mg/kg/day	100	Reprod.	Final	06/2022	95-57-8
4-CHLOROPHENOL
Oral	Int.	0.9 mg/kg/day	100	Reprod.	Final	06/2022	106-48-9
CADMIUM
Inh.	Acute	0.00003 mg/m3	300	Resp.	Final	09/2012	7440-43-9
Inh.	Chr.	0.00001 mg/m3	9	Renal	Final	09/2012	7440-43-9
Oral	Int.	0.0005 mg/kg/day	100	Musculo.	Final	09/2012	7440-43-9
Oral	Chr.	0.0001 mg/kg/day	3	Renal	Final	09/2012	7440-43-9
CARBON DISULFIDE
Inh.	Acute	0.2 ppm	90	Hepatic	Final	07/2025	75-15-0
Inh.	Chr.	0.1 ppm	10	Neurol.	Final	07/2025	75-15-0
Oral	Acute	0.03 mg/kg/day	1000	Develop.	Final	07/2025	75-15-0
CARBON TETRACHLORIDE
Inh.	Int.	0.03 ppm	30	Hepatic	Final	08/2005	56-23-5
Inh.	Chr.	0.03 ppm	30	Hepatic	Final	08/2005	56-23-5
Oral	Acute	0.02 mg/kg/day	300	Hepatic	Final	08/2005	56-23-5
Oral	Int.	0.007 mg/kg/day	100	Hepatic	Final	08/2005	56-23-5
CESIUM
Rad.	Acute	4 mSv	3	Develop.	Final	04/2004	7440-46-2
Rad.	Chr.	1 mSv/yr	3	Other	Final	04/2004	7440-46-2
CHLORDANE
Inh.	Int.	0.0002 mg/m3	100	Hepatic	Final	02/2018	12789-03-6
Inh.	Chr.	0.00002 mg/m3	1000	Hepatic	Final	02/2018	12789-03-6
Oral	Acute	0.001 mg/kg/day	1000	Develop.	Final	02/2018	12789-03-6
Oral	Int.	0.0006 mg/kg/day	100	Hepatic	Final	02/2018	12789-03-6
Oral	Chr.	0.0006 mg/kg/day	100	Hepatic	Final	02/2018	12789-03-6
CHLORDECONE
Oral	Acute	0.01 mg/kg/day	100	Neurol.	Final	10/2020	143-50-0
Oral	Int.	3 ug/kg/day	100	Neurol.,Reprod.	Final	10/2020	143-50-0
Oral	Chr.	0.9 ug/kg/day	100	Renal	Final	10/2020	143-50-0
CHLORFENVINPHOS
Oral	Acute	0.002 mg/kg/day	1000	Neurol.	Final	09/1997	470-90-6
Oral	Int.	0.002 mg/kg/day	1000	Immuno.	Final	09/1997	470-90-6
Oral	Chr.	0.0007 mg/kg/day	1000	Neurol.	Final	09/1997	470-90-6
CHLORINE
Inh.	Acute	0.06 ppm	3	Resp.	Final	11/2010	7782-50-5
Inh.	Int.	0.002 ppm	90	Resp.	Final	11/2010	7782-50-5
Inh.	Chr.	0.00005 ppm	30	Resp.	Final	11/2010	7782-50-5
CHLORINE DIOXIDE
Inh.	Int.	0.001 ppm	300	Resp.	Final	09/2004	10049-04-4
CHLORITE
Oral	Int.	0.1 mg/kg/day	30	Develop.	Final	09/2004	7758-19-2
CHLOROBENZENE
Oral	Int.	0.07 mg/kg/day	100	Hepatic	Final	10/2020	108-90-7
CHLOROETHANE
Inh.	Acute	13 ppm	30	Develop.	Final	01/2025	75-00-3
Inh.	Int.	13 ppm	300	Repro.	Final	01/2025	75-00-3
CHLOROFORM
Inh.	Acute	0.001 ppm	30	Resp.	Final	10/2024	67-66-3
Inh.	Int.	0.0008 ppm	90	Resp.	Final	10/2024	67-66-3
Inh.	Chr.	0.0004 ppm	300	Resp.	Final	10/2024	67-66-3
Oral	Acute	0.3 mg/kg/day	100	Hepatic	Final	10/2024	67-66-3
Oral	Int.	0.1 mg/kg/day	100	Hepatic	Final	10/2024	67-66-3
Oral	Chr.	0.02 mg/kg/day	100	Hepatic	Final	10/2024	67-66-3
CHLOROMETHANE
Inh.	Acute	0.5 ppm	90	Neurol.	Final	09/2023	74-87-3
Inh.	Int.	0.3 ppm	30	Neurol.	Final	09/2023	74-87-3
Inh.	Chr.	0.03 ppm	300	Neurol.	Final	09/2023	74-87-3
CHLORPYRIFOS
Oral	Acute	0.003 mg/kg/day	10	Neurol.	Final	09/1997	2921-88-2
Oral	Int.	0.003 mg/kg/day	10	Neurol.	Final	09/1997	2921-88-2
Oral	Chr.	0.001 mg/kg/day	100	Neurol.	Final	09/1997	2921-88-2
CHROMIUM(III) INSOL. PARTICULATES
Inh.	Int.	0.005 mg/m3	90	Resp.	Final	09/2012	16065-83-1
CHROMIUM(III) SOLUBLE PARTICULATES
Inh.	Int.	0.0001 mg/m3	300	Resp.	Final	09/2012	16065-83-1
CHROMIUM(VI)
Oral	Int.	0.005 mg/kg/day	100	Hemato.	Final	09/2012	18540-29-9
Oral	Chr	0.0009 mg/kg/day	100	Gastro.	Final	09/2012	18540-29-9
CHROMIUM(VI), AEROSOL MISTS
Inh.	Int.	0.000005 mg/m3	100	Resp.	Final	09/2012	18540-29-9
Inh.	Chr.	0.000005 mg/m3	100	Resp.	Final	09/2012	18540-29-9
CHROMIUM(VI), PARTICULATES
Inh.	Int.	0.0003 mg/m3	30	Resp.	Final	09/2012	18540-29-9
COBALT
Inh.	Acute	0.0003 mg/m3	30	Resp.	Final	10/2024	7440-48-8
Inh.	Chr.	0.0001 mg/m3	10	Resp.	Final	10/2024	7440-48-8
Oral	Acute	0.03 mg/kg/day	30	Hemato.	Final	10/2024	7440-48-8
Oral	Int.	0.02 mg/kg/day	100	Hemato.	Final	10/2024	7440-48-8
COPPER
Oral	Acute	0.02 mg/kg/day	3	Gastro.	Final	10/2024	7440-50-8
Oral	Int.	0.02 mg/kg/day	3	Gastro.	Final	10/2024	7440-50-8
CRESOLS
Oral	Int.	0.1 mg/kg/day	100	Resp.	Final	09/2008	1319-77-3
Oral	Chr.	0.1 mg/kg/day	1000	Resp.	Final	09/2008	1319-77-3
CYANIDE, SODIUM
Oral	Int.	0.04 mg/kg/day	100	Endocr.	Draft	10/2024	143-33-9
CYHALOTHRIN
Oral	Acute	0.01 mg/kg/day	100	Gastro.	Final	09/2003	68085-85-8
Oral	Int.	0.01 mg/kg/day	100	Gastro.	Final	09/2003	68085-85-8
CYPERMETHRIN
Oral	Acute	0.02 mg/kg/day	1000	Neurol.	Final	09/2003	52315-07-8
DIBROMOCHLOROMETHANE
Oral	Acute	0.1 mg/kg/day	300	Hepatic	Final	08/2005	124-48-1
Oral	Chr.	0.09 mg/kg/day	300	Hepatic	Final	08/2005	124-48-1
1,1-DICHLOROETHENE
Inh.	Int.	1 ppb	30	Resp.	Final	04/2022	75-35-4
Inh.	Chr.	1 ppb	30	Resp.	Final	04/2022	75-35-4
Oral	Chr.	0.05 mg/kg/day	100	Hepatic	Final	04/2022	75-35-4
1,1-DIMETHYLHYDRAZINE
Inh.	Int.	0.0002 ppm	300	Hepatic	Final	09/1997	57-14-7
1,2-DIBROMO-3-CHLOROPROPANE
Inh.	Int.	0.0002 ppm	100	Repro.	Final	04/2018	96-12-8
Oral	Int.	0.002 mg/kg/day	1000	Repro.	Final	04/2018	96-12-8
1,2-DICHLOROBENZENE
Oral	Acute	0.7 mg/kg/day	100	Hepatic	Final	08/2006	95-50-1
Oral	Int.	0.6 mg/kg/day	100	Hepatic	Final	08/2006	95-50-1
Oral	Chr.	0.3 mg/kg/day	100	Renal	Final	08/2006	95-50-1
1,2-DICHLOROETHANE
Inh.	Acute	0.1 ppm	30	Resp.	Final	07/2024	107-06-2
Inh.	Int.	0.1 ppm	30	Neurol.	Final	07/2024	107-06-2
Oral	Int.	0.7 mg/kg/day	100	Renal	Final	07/2024	107-06-2
1,2-DICHLOROETHENE, TRANS-
Inh.	Acute	3 ppm	100	Ocular	Draft	08/2023	156-60-5
Oral	Int.	0.2 mg/kg/day	100	Immuno.	Draft	08/2023	156-60-5
1,2-DICHLOROPROPANE
Inh.	Acute	0.02 ppm	90	Resp.	Final	11/2021	78-87-5
Inh.	Int.	2 ppb	30	Resp.	Final	11/2021	78-87-5
Oral	Acute	0.3 mg/kg/day	100	Hemato.	Final	11/2021	78-87-5
Oral	Int.	0.07 mg/kg/day	1000	Hemato.	Final	11/2021	78-87-5
1,2-DIMETHYLHYDRAZINE
Oral	Int.	0.0008 mg/kg/day	1000	Hepatic	Final	09/1997	540-73-8
1,2-DIPHENYLHYDRAZINE
Oral	Int.	0.05 mg/kg/day	100	Hepatic	Final	10/2020	122-66-7
1,3-DICHLOROBENZENE
Oral	Acute	0.4 mg/kg/day	100	Hepatic	Final	08/2006	541-73-1
Oral	Int.	0.02 mg/kg/day	100	Endocr.	Final	08/2006	541-73-1
1,3-DICHLOROPROPENE
Inh.	Int.	0.008 ppm	30	Resp.	Final	09/2008	542-75-6
Inh.	Chr.	0.007 ppm	30	Resp.	Final	09/2008	542-75-6
Oral	Int.	0.04 mg/kg/day	100	Gastro.	Final	09/2008	542-75-6
Oral	Chr.	0.03 mg/kg/day	100	Gastro.	Final	09/2008	542-75-6
1,3-DINITROBENZENE
Oral	Acute	0.08 mg/kg/day	100	Repro.	Final	06/1995	99-65-0
Oral	Int.	0.0005 mg/kg/day	1000	Hemato.	Final	06/1995	99-65-0
1,4-DICHLOROBENZENE
Inh.	Acute	2 ppm	10	Resp.	Final	08/2006	106-46-7
Inh.	Int.	0.2 ppm	100	Hepatic	Final	08/2006	106-46-7
Inh.	Chr.	0.01 ppm	30	Resp.	Final	08/2006	106-46-7
Oral	Int.	0.07 mg/kg/day	100	Hepatic	Final	08/2006	106-46-7
Oral	Chr.	0.07 mg/kg/day	100	Hepatic	Final	08/2006	106-46-7
1,4-DIOXANE
Inh.	Acute	2 ppm	10	Ocular	Final	04/2012	123-91-1
Inh.	Int.	0.2 ppm	30	Resp.	Final	04/2012	123-91-1
Inh.	Chr.	0.03 ppm	300	Resp.	Final	04/2012	123-91-1
Oral	Acute	5 mg/kg/day	100	Develop.	Final	04/2012	123-91-1
Oral	Int.	0.5 mg/kg/day	100	Hepatic	Final	04/2012	123-91-1
Oral	Chr.	0.1 mg/kg/day	100	Hepatic	Final	04/2012	123-91-1
2,3-DICHLOROPROPENE
Inh.	Acute	0.002 ppm	90	Resp.	Final	09/2008	78-88-6
2,3-DINITROTOLUENE
Oral	Acute	0.09 mg/kg/day	3000	Renal	Final	02/2016	602-01-7
2,4-DICHLOROPHENOL
Oral	Int.	0.02 mg/kg/day	100	Immuno.	Final	06/2022	120-83-2
2,4-DICHLOROPHENOXYACETIC ACID (2,4-D)
Oral	Int.	0.2 mg/kg/day	100	Renal	Final	07/2020	94-75-7
Oral	Chronic	0.2 mg/kg/day	100	Renal	Final	07/2020	94-75-7
2,4-DINITROPHENOL
Oral	Int.	0.07 ug/kg/day	1000	Body Wt.	Final	08/2021	51-28-5
2,4-DINITROTOLUENE
Oral	Acute	0.05 mg/kg/day	100	Neurol.	Final	02/2016	121-14-2
Oral	Int.	0.007 mg/kg/day	100	Hemato.	Final	02/2016	121-14-2
Oral	Chr.	0.001 mg/kg/day	100	Hemato.	Final	02/2016	121-14-2
2,5-DINITROTOLUENE
Oral	Acute	0.007 mg/kg/day	300	Hemato.	Final	02/2016	619-15-8
2,6-DINITROTOLUENE
Oral	Acute	0.09 mg/kg/day	100	Hemato.	Final	02/2016	606-20-2
Oral	Int.	0.004 mg/kg/day	1000	Hemato.	Final	02/2016	606-20-2
3,4-DINITROTOLUENE
Oral	Acute	0.03 mg/kg/day	300	Hemato.	Final	02/2016	610-39-9
3,5-DINITROTOLUENE
Oral	Acute	0.03 mg/kg/day	300	Repro.	Final	02/2016	618-85-9
4,6-DINITRO-O-CRESOL
Oral	Acute	0.004 mg/kg/day	100	Neurol.	Final	01/2018	534-52-1
Oral	Int.	0.004 mg/kg/day	100	Neurol.	Final	01/2018	534-52-1
DDD, P,P'-
Oral	Acute	0.5 ug/kg/day	1000	Develop.	Final	04/2022	72-54-8
Oral	Int.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	72-54-8
Oral	Chr.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	72-54-8
DDE, P,P'-
Oral	Acute	0.5 ug/kg/day	1000	Develop.	Final	04/2022	72-55-9
Oral	Int.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	72-55-9
Oral	Chr.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	72-55-9
DDT, P,P'-
Oral	Acute	0.5 ug/kg/day	1000	Develop.	Final	04/2022	50-29-3
Oral	Int.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	50-29-3
Oral	Chr.	0.5 ug/kg/day	100	Hepatic	Final	04/2022	50-29-3
DEET (N,N-DIETHYL-META-TOLUAMIDE)
Oral	Int.	1 mg/kg/day	100	Develop.	Final	08/2017	134-62-3
DI(2-ETHYLHEXYL)PHTHALATE (DEHP)
Inh.	Int.	0.2 ppb	300	Develop.	Final	01/2022	117-81-7
Oral	Acute	3 ug/kg/day	300	Develop.	Final	01/2022	117-81-7
Oral	Int.	0.1 ug/kg/day	300	Develop.	Final	01/2022	117-81-7
DIAZINON
Inh.	Int.	0.01 mg/m3	30	Neurol.	Final	09/2008	333-41-5
Oral	Acute	0.006 mg/kg/day	100	Neurol.	Final	09/2008	333-41-5
Oral	Int.	0.002 mg/kg/day	100	Neurol.	Final	09/2008	333-41-5
Oral	Chr.	0.0007 mg/kg/day	100	Neurol.	Final	09/2008	333-41-5
DICHLORVOS
Inh.	Acute	0.002 ppm	100	Neurol.	Final	09/1997	62-73-7
Inh.	Int.	0.0003 ppm	100	Neurol.	Final	09/1997	62-73-7
Inh.	Chr.	0.00006 ppm	100	Neurol.	Final	09/1997	62-73-7
Oral	Acute	0.004 mg/kg/day	1000	Neurol.	Final	09/1997	62-73-7
Oral	Int.	0.003 mg/kg/day	10	Neurol.	Final	09/1997	62-73-7
Oral	Chr.	0.0005 mg/kg/day	100	Neurol.	Final	09/1997	62-73-7
DIELDRIN
Oral	Chr.	0.05 ug/kg/day	100	Hepatic	Final	06/2022	60-57-1
Oral	Int.	0.1 ug/kg/day	100	Neurol.	Final	06/2022	60-57-1
DIETHYL PHTHALATE
Oral	Acute	7 mg/kg/day	300	Repro.	Final	06/1995	84-66-2
Oral	Int.	6 mg/kg/day	300	Hepatic	Final	06/1995	84-66-2
DIISOPROPYL METHYLPHOSPHONATE (DIMP)
Oral	Int.	0.8 mg/kg/day	100	Hemato.	Final	08/1998	1445-75-6
Oral	Chr.	0.6 mg/kg/day	100	Hemato.	Final	08/1998	1445-75-6
DIMETHYLARSINIC ACID (DMA)
Oral	Chr.	0.02 mg/kg/day	100	Renal	Final	08/2007	75-60-5
DI-N-BUTYL PHTHALATE
Oral	Acute	0.5 mg/kg/day	100	Develop.	Final	09/2001	84-74-2
DI-N-OCTYL PHTHALATE
Oral	Acute	3 mg/kg/day	300	Hepatic	Final	09/1997	117-84-0
Oral	Int.	0.4 mg/kg/day	100	Hepatic	Final	09/1997	117-84-0
DISULFOTON
Inh.	Acute	0.6 ug/m3	30	Neurol.	Final	08/2022	298-04-4
Inh.	Int.	0.6 ug/m3	30	Neurol.	Final	08/2022	298-04-4
Oral	Acute	0.3 ug/kg/day	100	Neurol.	Final	08/2022	298-04-4
Oral	Int.	0.09 ug/kg/day	100	Neurol., Develop.	Final	08/2022	298-04-4
Oral	Chr.	0.06 ug/kg/day	1000	Neurol.	Final	08/2022	298-04-4
ENDOSULFAN
Oral	Acute	0.007 mg/kg/day	100	Neurol.	Final	08/2015	115-29-7
Oral	Int.	0.005 mg/kg/day	100	Immuno.	Final	08/2015	115-29-7
Oral	Chr.	0.005 mg/kg/day	100	Immuno.	Final	08/2015	115-29-7
ENDRIN
Oral	Acute	0.6 ug/kg/day	100	Neurol.	Final	03/2021	72-20-8
Oral	Int.	0.6 ug/kg/day	100	Neurol.	Final	03/2021	72-20-8
Oral	Chr.	0.3 ug/kg/day	100	Neurol.,Hepatic	Final	03/2021	72-20-8
ETHION
Oral	Acute	0.002 mg/kg/day	30	Neurol.	Final	09/2000	563-12-2
Oral	Int.	0.002 mg/kg/day	30	Neurol.	Final	09/2000	563-12-2
Oral	Chr.	0.0004 mg/kg/day	150	Neurol.	Final	09/2000	563-12-2
ETHYLBENZENE
Inh.	Acute	5 ppm	30	Neurol.	Final	11/2010	100-41-4
Inh.	Int.	2 ppm	30	Neurol.	Final	11/2010	100-41-4
Inh.	Chr.	0.06 ppm	300	Renal	Final	11/2010	100-41-4
Oral	Int.	0.4 mg/kg/day	30	Hepatic	Final	11/2010	100-41-4
ETHYLENE GLYCOL
Inh.	Acute	2 mg/m3	10	Renal	Final	11/2010	107-21-1
Oral	Acute	0.8 mg/kg/day	100	Develop.	Final	11/2010	107-21-1
Oral	Int.	0.8 mg/kg/day	100	Develop.	Final	11/2010	107-21-1
ETHYLENE OXIDE
Inh.	Acute	0.4 ppm	30	Develop.	Final	08/2022	75-21-8
Inh.	Int.	0.07 ppm	30	Develop.	Final	08/2022	75-21-8
FLUORANTHENE
Oral	Int.	0.4 mg/kg/day	300	Hepatic	Final	08/1995	206-44-0
FLUORENE
Oral	Int.	0.4 mg/kg/day	300	Hepatic	Final	08/1995	86-73-7
FLUORIDE, SODIUM
Oral	Chr.	0.05 mg/kg/day	3	Musculo.	Final	09/2003	7681-49-4
FLUORINE
Inh.	Acute	0.01 ppm	10	Resp.	Final	09/2003	7782-41-4
FORMALDEHYDE
Inh.	Acute	0.04 ppm	9	Resp.	Final	07/1999	50-00-0
Inh.	Int.	0.03 ppm	30	Resp.	Final	07/1999	50-00-0
Inh.	Chr.	0.008 ppm	30	Resp.	Final	07/1999	50-00-0
Oral	Int.	0.3 mg/kg/day	100	Gastro.	Final	07/1999	50-00-0
Oral	Chr.	0.2 mg/kg/day	100	Gastro.	Final	07/1999	50-00-0
FUEL OIL NO.2
Inh.	Acute	0.02 mg/m3	1000	Neurol.	Final	06/1995	68476-30-2
GLUTARALDEHYDE
Inh.	Acute	0.001 ppm	3	Resp.	Final	07/2017	111-30-8
Inh.	Int.	0.00003 ppm	3	Resp.	Final	07/2017	111-30-8
Oral	Chr.	0.1 mg/kg/day	30	Gastro.	Final	07/2017	111-30-8
GLYPHOSATE TECHNICAL
Oral	Acute	1 mg/kg/day	100	Gastro.	Final	08/2020	1071-83-6
Oral	Int.	1 mg/kg/day	100	Gastro.	Final	08/2020	1071-83-6
Oral	Chr.	1 mg/kg/day	100	Gastro.	Final	08/2020	1071-83-6
GUTHION (AZINPHOS-METHYL)
Inh.	Acute	0.02 mg/m3	30	Neurol.	Final	09/2008	86-50-0
Inh.	Int.	0.01 mg/m3	30	Neurol.	Final	09/2008	86-50-0
Inh.	Chr.	0.01 mg/m3	30	Neurol.	Final	09/2008	86-50-0
Oral	Acute	0.01 mg/kg/day	100	Neurol.	Final	09/2008	86-50-0
Oral	Int.	0.003 mg/kg/day	100	Neurol.	Final	09/2008	86-50-0
Oral	Chr.	0.003 mg/kg/day	100	Neurol.	Final	09/2008	86-50-0
1,2,3,6,7,8-HEXACHLORODIBENZOFURAN
Oral	Int.	5 ng/kg/day	100	Hepatic, Endocrine	Final	04/2023	57117-44-9
2-HEXANONE
Oral	Chr.	0.05 mg/kg/day	3000	Neurol.	Final	02/2020	591-78-6
HEPTACHLOR
Oral	Acute	0.0006 mg/kg/day	3000	Repro.	Final	08/2007	76-44-8
Oral	Int.	0.0001 mg/kg/day	300	Immuno.	Final	08/2007	76-44-8
HEXACHLOROBENZENE
Oral	Acute	0.008 mg/kg/day	300	Develop.	Final	08/2015	118-74-1
Oral	Int.	0.0001 mg/kg/day	90	Repro.	Final	08/2015	118-74-1
Oral	Chr.	0.00007 mg/kg/day	300	Hepatic	Final	08/2015	118-74-1
HEXACHLOROBUTADIENE
Oral	Acute	6 ug/kg/day	1000	Renal	Final	03/2021	87-68-3
Oral	Int.	2 ug/kg/day	100	Renal	Final	03/2021	87-68-3
HEXACHLOROCYCLOHEXANE (HCH), ALPHA
Oral	Int.	2 ug/kg/day	1000	Hepatic	Final	03/2024	319-84-6
Oral	Chr.	0.9 ug/kg/day	1000	Hepatic	Final	03/2024	319-84-6
HEXACHLOROCYCLOHEXANE (HCH), BETA
Oral	Acute	0.08 mg/kg/day	100	Neurol.	Final	03/2024	319-85-7
Oral	Int.	0.6 ug/kg/day	300	Hepatic	Final	03/2024	319-85-7
HEXACHLOROCYCLOHEXANE (HCH), GAMMA
Oral	Acute	3 ug/kg/day	300	Develop.	Final	03/2024	58-89-9
Oral	Int.	0.8 ng/kg/day	100	Develop.	Final	03/2024	58-89-9
HEXACHLOROCYCLOPENTADIENE
Inh.	Int.	0.01 ppm	30	Resp.	Final	07/1999	77-47-4
Inh.	Chr.	0.0002 ppm	90	Resp.	Final	07/1999	77-47-4
Oral	Int.	0.1 mg/kg/day	100	Renal	Final	07/1999	77-47-4
HEXACHLOROETHANE
Inh.	Acute	6 ppm	30	Neurol.	Final	09/1997	67-72-1
Inh.	Int.	6 ppm	30	Neurol.	Final	09/1997	67-72-1
Oral	Acute	1 mg/kg/day	100	Hepatic	Final	09/1997	67-72-1
Oral	Int.	0.01 mg/kg/day	100	Hepatic	Final	09/1997	67-72-1
HEXAMETHYLENE DIISOCYANATE
Inh.	Int.	0.00003 ppm	30	Resp.	Final	08/1998	822-06-0
Inh.	Chr.	0.00001 ppm	90	Resp.	Final	08/1998	822-06-0
HMX (CYCLOTETRAMETHYLENE TETRANITRAMINE)
Oral	Acute	0.1 mg/kg/day	1000	Neurol.	Final	09/1997	2691-41-0
Oral	Int.	0.05 mg/kg/day	1000	Hepatic	Final	09/1997	2691-41-0
HYDRAZINE
Inh.	Int.	0.004 ppm	300	Hepatic	Final	09/1997	302-01-2
HYDROGEN FLUORIDE
Inh.	Acute	0.02 ppm	30	Resp.	Final	09/2003	7664-39-3
HYDROGEN SULFIDE
Inh.	Acute	0.07 ppm	27	Resp.	Final	11/2016	7783-06-4
Inh.	Int.	0.02 ppm	30	Resp.	Final	11/2016	7783-06-4
n-HEXANE
Inh.	Acute	6 ppm	30	Develop.	Final	04/2025	110-54-3
Inh.	Int.	0.4 ppm	300	Resp.	Final	04/2025	110-54-3
Oral	Int.	0.1 mg/kg/day	300	Neurol.	Final	04/2025	110-54-3
IODIDE
Oral	Acute	0.01 mg/kg/day	1	Endocr.	Final	04/2004	7553-56-2
Oral	Chr.	0.01 mg/kg/day	1	Endocr.	Final	04/2004	7553-56-2
IONIZING RADIATION, N.O.S.
Rad.	Acute	4 mSv	3	Neurol.	Final	09/1999	HZ1800-45-T
Rad.	Chr.	1 mSv/yr	3	Other	Final	09/1999	HZ1800-45-T
ISOPHORONE
Oral	Int.	3 mg/kg/day	100	Other	Final	07/2018	78-59-1
Oral	Chr.	0.2 mg/kg/day	1000	Hepatic	Final	07/2018	78-59-1
JP-4
Inh.	Int.	9 mg/m3	300	Hepatic	Final	06/1995	50815-00-4
JP-5
Inh.	Int.	2 mg/m<sup>3</sup>	90	Hepatic	Final	03/2017	8008-20-6
JP-7
Inh.	Chr.	0.3 mg/m3	300	Hepatic	Final	06/1995	HZ0600-22-T
JP-8
Inh.	Int.	3 mg/m<sup>3</sup>	30	Neurol.	Final	03/2017	8008-20-6
Oral	Acute	3 mg/kg/day	100	Immuno.	Final	03/2017	8008-20-6
Oral	Int.	0.3 mg/kg/day	1000	Develop.	Final	03/2017	8008-20-6
KEROSENE
Inh.	Int.	0.01 mg/m3	1000	Hepatic	Final	06/1995	8008-20-6
1-METHYLNAPHTHALENE
Inh.	Int.	0.09 ppb	30	Resp.	Draft	05/2024	90-12-0
Oral	Int.	0.6 mg/kg/day	100	Hepatic	Draft	05/2024	90-12-0
Oral	Chr.	0.07 mg/kg/day	1000	Resp.	Draft	05/2024	90-12-0
2-METHYLNAPHTHALENE
Inh.	Int.	0.3 ppb	300	Resp.	Draft	05/2024	91-57-6
Oral	Chr.	0.06 mg/kg/day	100	Resp.	Draft	05/2024	91-57-6
4,4'-METHYLENEBIS(2-CHLOROANILINE) (MBOCA)
Oral	Chr.	0.003 mg/kg/day	3000	Hepatic	Final	10/2017	101-14-4
4,4'-METHYLENEDIANILINE
Oral	Acute	0.2 mg/kg/day	150	Hepatic	Final	08/1998	101-77-9
Oral	Int.	0.08 mg/kg/day	100	Hepatic	Final	08/1998	101-77-9
MALATHION
Inh.	Acute	0.2 mg/m3	100	Neurol.	Final	09/2003	121-75-5
Inh.	Int.	0.02 mg/m3	1000	Resp.	Final	09/2003	121-75-5
Oral	Int.	0.02 mg/kg/day	10	Neurol.	Final	09/2003	121-75-5
Oral	Chr.	0.02 mg/kg/day	100	Neurol.	Final	09/2003	121-75-5
MANGANESE, RESPIRABLE
Inh.	Chr.	0.3 ug/m3	100	Neurol.	Final	09/2012	7439-96-5
MERCURY
Inh.	Chr.	0.3 ug/m3	10	Neurol.	Final	10/2024	7439-97-6
MERCURY, INORGANIC SALTS (MERCURIC CHLORIDE, ETC.)
Oral	Acute	0.002 mg/kg/day	100	Renal	Final	10/2024	7487-94-7
Oral	Int.	0.00001 mg/kg/day	1000	Renal	Final	10/2024	7487-94-7
METHOXYCHLOR
Oral	Int.	0.005 mg/kg/day	1000	Repro.	Final	09/2002	72-43-5
METHYL PARATHION
Oral	Int.	0.0007 mg/kg/day	300	Neurol.	Final	09/2001	298-00-0
Oral	Chr.	0.0003 mg/kg/day	100	Hemato.	Final	09/2001	298-00-0
METHYL tert-BUTYL ETHER (MTBE)
Inh.	Acute	2 ppm	30	Neurol.	Final	09/2023	1634-04-4
Inh.	Int.	1 ppm	30	Neurol.,Hepatic	Final	09/2023	1634-04-4
Inh.	Chr.	1 ppm	30	Renal	Final	09/2023	1634-04-4
Oral	Int.	0.4 mg/kg/day	100	Develop.	Final	09/2023	1634-04-4
METHYLENE CHLORIDE
Inh.	Acute	0.6 ppm	100	Neurol.	Final	09/2000	75-09-2
Inh.	Int.	0.3 ppm	90	Hepatic	Final	09/2000	75-09-2
Inh.	Chr.	0.3 ppm	30	Hepatic	Final	09/2000	75-09-2
Oral	Acute	0.2 mg/kg/day	100	Neurol.	Final	09/2000	75-09-2
Oral	Chr.	0.06 mg/kg/day	100	Hepatic	Final	09/2000	75-09-2
METHYLENEDIPHENYL DIISOCYANATE (MDI), POLYMERIC
Inh.	Chr.	0.001 mg/m3	30	Resp.	Final	06/2018	9016-87-9
METHYLMERCURY
Oral	Chr.	0.1 ug/kg/day	3	Develop.	Final	10/2024	22967-92-6
MIREX
Oral	Chr.	0.3 ug/kg/day	300	Hepatic	Final	10/2020	2385-85-5
MOLYBDENUM
Inh.	Chr.	2 ug/m3	30	Resp.	Final	05/2020	1313-27-5
Oral	Int.	0.06 mg/kg/day	300	Renal	Final	05/2020	7439-98-7
MONOMETHYLARSONIC ACID (MMA)
Oral	Int.	0.1 mg/kg/day	100	Gastro.	Final	08/2007	124-58-3
Oral	Chr.	0.01 mg/kg/day	100	Renal	Final	08/2007	124-58-3
NAPHTHALENE
Inh.	Acute	0.06 ppb	30	Resp.	Draft	05/2024	91-20-3
Oral	Acute	0.2 mg/kg/day	300	Neurol.	Draft	05/2024	91-20-3
Oral	Int.	0.2 mg/kg/day	300	Neurol.	Draft	05/2024	91-20-3
NICKEL
Inh.	Acute	0.0001 mg/m3	300	Resp.	Final	10/2024	7440-02-0
Inh.	Int.	0.000003 mg/m3	30	Resp.	Final	10/2024	7440-02-0
NITRATE
Oral	Acute	4 mg/kg/day	1	Hemato.	Final	07/2017	14797-55-8
Oral	Int.	4 mg/kg/day	1	Hemato.	Final	07/2017	14797-55-8
Oral	Chr.	4 mg/kg/day	1	Hemato.	Final	07/2017	14797-55-8
NITRITE
Oral	Acute	0.1 mg/kg/day	2	Hemato.	Final	07/2017	14797-65-0
Oral	Int.	0.1 mg/kg/day	2	Hemato.	Final	07/2017	14797-65-0
Oral	Chr.	0.1 mg/kg/day	2	Hemato.	Final	07/2017	14797-65-0
NITROBENZENE
Inh.	Acute	0.1 ppm	30	Hemato.	Final	01/2024	98-95-3
Inh.	Int.	3 ppb	300	Hemato.	Final	01/2024	98-95-3
Inh.	Chr.	0.2 ppb	300	Resp.	Final	01/2024	98-95-3
Oral	Acute	0.05 mg/kg/day	100	Hemato.	Final	01/2024	98-95-3
Oral	Int.	0.02 mg/kg/day	100	Hemato.	Final	01/2024	98-95-3
N-NITROSODIMETHYLAMINE (NDMA)
Oral	Acute	0.01 ug/kg/day	100	Hemato.	Final	04/2023	62-75-9
1,2,3,7,8-PENTACHLORODIBENZOFURAN
Oral	Int.	7 ng/kg/day	100	Hepatic	Final	04/2023	57117-41-6
2,3,4,7,8-PENTACHLORO­DIBENZOFURAN
Oral	Acute	0.5 ng/kg/day	1000	Develop.	Final	04/2023	57117-31-4
Oral	Int.	7 pg/kg/day	100	Endocrine	Final	04/2023	57117-31-4
Oral	Chr.	4 pg/kg/day	1000	Hepatic, Endocrine	Final	04/2023	57117-31-4
PARATHION
Inh.	Int.	20 ng/m3	100	Neurol.	Final	01/2017	56-38-2
Oral	Int.	0.009 mg/kg/day	10	Neurol.	Final	01/2017	56-38-2
PBDE, DECABROMINATED
Oral	Acute	0.01 mg/kg/day	100	Develop.	Final	03/2017	67774-32-7
Oral	Int.	0.0002 mg/kg/day	300	Endocr.	Final	03/2017	67774-32-7
PENTACHLOROPHENOL
Oral	Acute	5 ug/kg/day	1000	Develop.	Final	04/2022	87-86-5
Oral	Chr.	5 ug/kg/day	300	Hepatic	Final	04/2022	87-86-5
PERCHLORATES
Oral	Chr.	0.0007 mg/kg/day	10	Endocr.	Final	09/2008	14797-73-0
PERFLUOROHEXANE SULFONIC ACID (PFHxS)
Oral	Int.	0.02 ug/kg/day	300	Endocr.	Final	03/2020	355-46-4
PERFLUORONONANOIC ACID (PFNA)
Oral	Int.	3 ng/kg/day	300	Develop.	Final	03/2020	375-95-1
PERFLUOROOCTANE SULFONIC ACID (PFOS)
Oral	Int.	2 ng/kg/day	300	Develop.	Final	03/2020	1763-23-1
PERFLUOROOCTANOIC ACID (PFOA)
Oral	Int.	3 ng/kg/day	300	Develop.	Final	03/2020	335-67-1
PERMETHRIN
Oral	Acute	0.3 mg/kg/day	100	Neurol.	Final	09/2003	52645-53-1
Oral	Int.	0.2 mg/kg/day	100	Neurol.	Final	09/2003	52645-53-1
PHENOL
Oral	Acute	1 mg/kg/day	100	Body Wt.	Final	09/2008	108-95-2
PHOSPHORUS, WHITE
Inh.	Acute	0.02 mg/m3	30	Resp.	Final	09/1997	7723-14-0
Oral	Int.	0.0002 mg/kg/day	100	Repro.	Final	09/1997	7723-14-0
POLYBROMINATED BIPHENYLS (PBBS)
Oral	Acute	0.01 mg/kg/day	100	Endocr.	Final	09/2004	067774-32-7
POLYBROMINATED DIPHENYL ETHERS (PBDES), LOWER BROMINATED
Inh.	Int.	0.006 mg/m3	90	Endocr.	Final	03/2017	32536-52-0
Oral	Acute	0.00006 mg/kg/day	1000	Develop.	Final	03/2017	60348-60-9
Oral	Int.	0.000003 mg/kg/day	300	Reprod.	Final	03/2017	5436-43-1
POLYCHLORINATED BIPHENYLS (PCBs) (Aroclor 1254)
Oral	Int.	0.03 ug/kg/day	300	Neurol.	Final	11/2000	11097-69-1
Oral	Chr.	0.02 ug/kg/day	300	Immuno.	Final	11/2000	11097-69-1
PROPYLENE GLYCOL
Inh.	Int.	0.009 ppm	1000	Resp.	Final	09/1997	57-55-6
PROPYLENE GLYCOL DINITRATE
Inh.	Acute	0.003 ppm	10	Neurol.	Final	06/1995	6423-43-4
Inh.	Int.	0.00004 ppm	1000	Hemato.	Final	06/1995	6423-43-4
Inh.	Chr.	0.00004 ppm	1000	Hemato.	Final	06/1995	6423-43-4
RDX (CYCLONITE)
Oral	Acute	0.2 mg/kg/day	30	Neurol.	Final	01/2012	121-82-4
Oral	Int.	0.1 mg/kg/day	30	Neurol.	Final	01/2012	121-82-4
Oral	Chr.	0.1 mg/kg/day	30	Neurol.	Final	01/2012	121-82-4
REFRACTORY CERAMIC FIBERS
Inh.	Chr.	0.03 fibers/cc	30	Resp.	Final	09/2004	HZ0900-26-T
S,S,S-TRIBUTYL PHOSPHOROTRITHIOATE (TRIBUFOS)
Inh.	Int.	0.04 mg/m3	30	Neurol.	Final	03/2020	78-48-8
Oral	Int.	0.003 mg/kg/day	100	Neurol.	Final	03/2020	78-48-8
Oral	Chr.	0.5 ug/kg/day	100	Gastro.	Final	03/2020	78-48-8
SELENIUM
Oral	Chr.	0.005 mg/kg/day	3	Dermal	Final	09/2003	7782-49-2
STRONTIUM
Oral	Int.	2 mg/kg/day	90	Musculo.	Final	04/2004	7440-24-6
STYRENE
Inh.	Acute	5 ppm	10	Neurol.	Final	11/2010	100-42-5
Inh.	Chr.	0.2 ppm	30	Neurol.	Final	11/2010	100-42-5
Oral	Acute	0.1 mg/kg/day	1000	Neurol.	Final	11/2010	100-42-5
SULFUR DIOXIDE
Inh.	Acute	0.01 ppm	9	Resp.	Final	12/1998	7446-09-5
SULFUR MUSTARD
Inh.	Acute	0.0007 mg/m3	30	Ocular	Final	09/2003	505-60-2
Inh.	Int.	0.00002 mg/m3	30	Ocular	Final	09/2003	505-60-2
Oral	Acute	0.5 µg/kg/day	1000	Develop.	Final	09/2003	505-60-2
Oral	Int.	0.07 µg/kg/day	300	Gastro.	Final	09/2003	505-60-2
1,1,1-TRICHLOROETHANE
Inh.	Acute	1 ppm	100	Neurol.	Final	03/2024	71-55-6
Inh.	Int.	0.7 ppm	100	Neurol.	Final	03/2024	71-55-6
Oral	Int.	2 mg/kg/day	100	Body Wt.	Final	03/2024	71-55-6
1,1,2,2-TETRACHLOROETHANE
Oral	Int.	0.5 mg/kg/day	100	Hepatic	Final	09/2008	79-34-5
1,1,2-TRICHLOROETHANE
Inh.	Acute	0.03 ppm	270	Resp.	Final	03/2021	79-00-5
Inh.	Int.	2 ppb	30	Resp.	Final	03/2021	79-00-5
Oral	Acute	0.5 mg/kg/day	100	Hepatic	Final	03/2021	79-00-5
Oral	Int.	0.04 mg/kg/day	100	Immuno.	Final	03/2021	79-00-5
1,2,3-TRICHLOROPROPANE
Inh.	Acute	1 ppb	30	Resp.	Final	08/2021	96-18-4
Oral	Int.	0.03 mg/kg/day	100	Hemato.	Final	08/2021	96-18-4
Oral	Chr.	0.01 mg/kg/day	100	Hepatic	Final	08/2021	96-18-4
1,2,4 - TRICHLOROBENZENE
Oral	Int.	0.1 mg/kg/day	100	Hepatic	Final	10/2014	120-82-1
Oral	Chr.	0.1 mg/kg/day	100	Hepatic	Final	10/2014	120-82-1
2,3,4,6-TETRACHLOROPHENOL
Oral	Acute	0.08 mg/kg/day	100	Hepatic	Final	06/2022	58-90-2
Oral	Int.	0.01 mg/kg/day	100	Hepatic	Final	06/2022	58-90-2
2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN
Oral	Acute	0.0002 ug/kg/day	21	Immuno.	Draft	10/2024	1746-01-6
Oral	Chr.	0.0000004 ug/kg/day	300	Develop.	Draft	10/2024	1746-01-6
2,4,5-TRICHLOROPHENOL
Oral	Int.	1 mg/kg/day	100	Hepatic,Renal	Final	06/2022	95-95-4
2,4,6-TRICHLOROPHENOL
Oral	Int.	5 ug/kg/day	100	Hepatic	Final	06/2022	88-06-2
2,4,6-TRINITROTOLUENE
Oral	Int.	0.0005 mg/kg/day	1000	Hepatic	Final	06/1995	118-96-7
TETRACHLOROETHYLENE
Inh.	Acute	0.006 ppm	300	Neurol.	Final	06/2019	127-18-4
Inh.	Int.	0.006 ppm	300	Neurol.	Final	06/2019	127-18-4
Inh.	Chr.	0.006 ppm	300	Neurol.	Final	06/2019	127-18-4
Oral	Acute	0.008 mg/kg/day	300	Neurol.	Final	06/2019	127-18-4
Oral	Int.	0.008 mg/kg/day	300	Neurol.	Final	06/2019	127-18-4
Oral	Chr.	0.008 mg/kg/day	300	Neurol.	Final	06/2019	127-18-4
TIN, DIBUTYL-, DICHLORIDE
Oral	Int.	0.005 mg/kg/day	1000	Immuno.	Final	08/2005	683-18-1
TIN, INORGANIC
Oral	Int.	0.3 mg/kg/day	100	Hemato.	Final	08/2005	7440-31-5
TIN, TRIBUTYL-, OXIDE
Oral	Int.	0.0003 mg/kg/day	100	Immuno.	Final	08/2005	56-35-9
Oral	Chr.	0.0003 mg/kg/day	100	Immuno.	Final	08/2005	56-36-9
TITANIUM TETRACHLORIDE
Inh.	Int.	0.01 mg/m3	90	Resp.	Final	09/1997	7550-45-0
Inh.	Chr.	0.0001 mg/m3	90	Resp.	Final	09/1997	7550-45-0
TOLUENE
Inh.	Acute	2 ppm	9	Neurol.	Final	06/2017	108-88-3
Inh.	Chr.	1 ppm	10	Neurol.	Final	06/2017	108-88-3
Oral	Acute	0.8 mg/kg/day	300	Neurol.	Final	06/2017	108-88-3
Oral	Int.	0.2 mg/kg/day	100	Immuno.	Final	06/2017	108-88-3
TOLUENE DIISOCYANATE (TDI)
Inh.	Acute	0.00001 ppm	100	Resp.	Final	06/2018	26471-62-5
Inh.	Chr.	0.000003 ppm	100	Resp.	Final	06/2020	26471-62-5
Inh.	Chr.	0.0001 mg/m3	30	Resp.	Final	06/2018	9016-87-9
TOXAPHENE
Oral	Acute	0.05 mg/kg/day	100	Neurol.	Final	10/2014	8001-35-2
Oral	Int.	0.002 mg/kg/day	100	Immuno.	Final	10/2014	8001-35-2
TRIBUTYL PHOSPHATE (TNBP)
Oral	Acute	1.1 mg/kg/day	100	Body Wt.	Final	09/2012	126-73-8
Oral	Int.	0.08 mg/kg/day	100	Renal	Final	09/2012	126-73-8
Oral	Chr.	0.08 mg/kg/day	100	Renal	Final	09/2012	126-73-8
TRICHLOROETHYLENE
Inh.	Int.	0.0004 ppm	10	Develop.	Final	06/2019	79-01-6
			100	Immuno.
Inh.	Chr.	0.0004 ppm	10	Develop.	Final	06/2019	79-01-6
			100	Immuno.
Oral	Int.	0.0005 mg/kg/day	10	Develop.	Final	06/2019	79-01-6
			100	Immuno.
			1000	Immuno.
Oral	Chr.	0.0005 mg/kg/day	10	Develop.	Final	06/2019	79-01-6
			100	Immuno.
			1000	Immuno.
TRICRESYL PHOSPHATE (TCP)
Oral	Int.	0.04 mg/kg/day	100	Reprod.	Final	09/2012	1330-78-5
Oral	Chr.	0.02 mg/kg/day	100	Reprod.	Final	09/2012	1330-78-5
TRIS(1,3-DICHLORO-2-PROPYL) PHOSPHATE (TDCP)
Oral	Int.	0.05 mg/kg/day	100	Renal	Final	09/2012	13674-87-8
Oral	Chr.	0.02 mg/kg/day	100	Renal	Final	09/2012	13674-87-8
TRIS(2-BUTOXYETHYL) PHOSPHATE (TBEP)
Oral	Acute	4.8 mg/kg/day	100	Body Wt.	Final	09/2012	78-51-3
Oral	Int.	0.09 mg/kg/day	100	Hepatic	Final	09/2012	78-51-3
TRIS(2-CHLOROETHYL) PHOSPHATE (TCEP)
Oral	Int.	0.6 mg/kg/day	100	Neurol.	Final	09/2012	115-96-8
Oral	Chr.	0.2 mg/kg/day	100	Renal	Final	09/2012	115-96-8
URANIUM, INSOLUBLE COMPOUNDS
Inh.	Int.	0.002 mg/m3	100	Renal	Final	02/2013	7440-61-1
Inh.	Chr.	0.0008 mg/m3	1000	Resp.	Final	02/2013	7440-61-1
URANIUM, SOLUBLE SALTS
Inh.	Int.	0.0001 mg/m3	300	Renal	Final	02/2013	7440-61-1
Inh.	Chr.	0.00004 mg/m3	100	Renal	Final	02/2013	7440-61-1
Oral	Acute	0.002 mg/kg/day	100	Develop.	Final	02/2013	7440-61-1
Oral	Int.	0.0002 mg/kg/day	300	Renal	Final	02/2013	7440-61-1
VANADIUM
Inh.	Acute	0.0008 mg/m3	90	Resp.	Final	09/2012	7440-62-2
Inh.	Chr.	0.0001 mg/m3	30	Resp.	Final	09/2012	7440-62-2
Oral	Int.	0.01 mg/kg/day	10	Hemato.	Final	09/2012	7440-62-2
VINYL ACETATE
Inh.	Acute	1 ppm	30	Resp.	Final	01/2025	108-05-4
Inh.	Int.	0.7 ppm	30	Resp.	Final	01/2025	108-05-4
Inh.	Chr.	0.3 ppm	30	Resp.	Final	01/2025	108-05-4
VINYL CHLORIDE
Inh.	Acute	0.5 ppm	30	Develop.	Final	01/2024	75-01-4
Inh.	Int.	0.02 ppm	30	Hepatic	Final	01/2024	75-01-4
Oral	Chr.	3 µg/kg/day	30	Hepatic	Final	01/2024	75-01-4
XYLENES, MIXED
Inh.	Acute	2 ppm	30	Neurol.	Final	08/2007	1330-20-7
Inh.	Int.	0.6 ppm	90	Neurol.	Final	08/2007	1330-20-7
Inh.	Chr.	0.05 ppm	300	Neurol.	Final	08/2007	1330-20-7
Oral	Acute	1 mg/kg/day	100	Neurol.	Final	08/2007	1330-20-7
Oral	Int.	0.4 mg/kg/day	1000	Neurol.	Final	08/2007	1330-20-7
Oral	Chr.	0.2 mg/kg/day	1000	Neurol.	Final	08/2007	1330-20-7
ZINC
Oral	Int.	0.3 mg/kg/day	3	Hemato.	Final	08/2005	7440-66-6
Oral	Chr.	0.3 mg/kg/day	3	Hemato.	Final	08/2005	7440-66-6