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Chlorinated dibenzo-p dioxins and dibenzofurans

Chronic Inhalation REL (μg/m3)
0.00004 (inhalation); 0.00001 μg/kg BW-day (oral)
Chronic Target Organs
Inhalation and oral: Alimentary system (liver); reproductive system; development; endocrine system; respiratory system; hematologic system
Human Data
No
Last Chronic REL Revision
12/01/2008
Chronic Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

Last Acute REL Revision
12/01/2008

Toluene

Acute REL (μg/m3)
5000
Species
Human
Acute REL Toxicologic Endpoint
Headache, dizziness, slight eye and nose irritation
Acute REL Target Organs
Nervous system; eyes; respiratory system
8-Hour Inhalation REL (μg/m3)
830
Last 8-Hour REL Revision
August, 2020
Chronic Inhalation REL (μg/m3)
420
Chronic Target Organs
Acquired color vision impairment (dyschromatopsia)
Human Data
Yes
Last Chronic REL Revision
2020
Chronic Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

8-Hour Reference Exposure Levels Comments

Notice of Adoption of Reference Exposure Levels for Toluene

Acute Reference Exposure Levels Comments

Notice of Adoption of Reference Exposure Levels for Toluene

Last Acute REL Revision
2020

Ethylene Glycol Monoethyl Ether Acetate

Acute REL (μg/m3)
140
Species
Rabbit
Acute REL Toxicologic Endpoint
Reproductive/ development (teratogenic effects in rabbits); headache, nausea
Acute REL Target Organs
Reproductive/ development, nervous system
Chronic Inhalation REL (μg/m3)
300
Chronic Target Organs
Development
Human Data
No
Last Chronic REL Revision
2000
Chronic Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

Acute Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2.

Severity
Severe
Last Acute REL Revision
1999

Triethylamine

Acute REL (μg/m3)
2800
Species
Human
Acute REL Toxicologic Endpoint
Visual disturbances, eye irritation
Acute REL Target Organs
Nervous system; eyes
Chronic Inhalation REL (μg/m3)
200
Chronic Target Organs
Eyes
Human Data
No
Last Chronic REL Revision
2002
Chronic Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

Acute Reference Exposure Levels Comments

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2.

Severity
Mild
Last Acute REL Revision
1999

Nickel Subsulfide

Acute REL (μg/m3)
0.2
Species
Mouse
Acute REL Toxicologic Endpoint
Depressed antibody response
Acute REL Target Organs
Immune system
8-Hour Inhalation REL (μg/m3)
0.06
Last 8-Hour REL Revision
2012
Chronic Inhalation REL (μg/m3)
0.014 (inhalation); 11 μg/kg BW-day (oral)
Chronic Target Organs
Inhalation: Respiratory system, hematologic system. Oral: Development
Human Data
No
Last Chronic REL Revision
2012
Chronic Reference Exposure Levels Comments

Inhalation concentrations as micrograms Ni/m3; oral dose as micrograms Ni/kg-day.
OEHHA 2012. Nickel Reference Exposure Levels. Listed as Nickel & nickel compounds (except nickel oxide for chronic inhalation exposures).

8-Hour Reference Exposure Levels Comments

Inhalation concentrations as micrograms Ni/m3.
OEHHA 2013. Technical Support Document for Noncancer RELs, Appendix D1. Updated July 2014. Listed as Nickel & nickel compounds.

Acute Reference Exposure Levels Comments

Inhalation concentrations as micrograms Ni/m3.
OEHHA 2012. Nickel Reference Exposure Levels. Listed as Nickel & nickel compounds.

Last Acute REL Revision
2012
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