Trichloroethylene
CAS Number
79-01-6Synonym
TCE, acetylene trichloride; AI3-00052; Algylen; Anameth; Benzinol; Caswell No. 876; Cecolene; Chlorilen; 1-chloro-2,2-dichloroethylene; Densinfluat; 1,1-dichloro-2chloroethylene; ethylene trichloride; fleck-flip; flock flip; fluate; germalgene; lethurin; narcogen; narkosoid; NCI-C04546; Perm-a-chlor; petzinol; philex; threthylen; threthylene; TRI; triasol; trichloran; trichlorethylene; trichloroethene; 1,1,2-trichloroethylene; triclene; trielin; trilene; trimar; tri-plus; Vestrol; EPA Pesticide Code: 081202
Occurrence/Use
Metal degreasing, extraction solvent, cleaning kerosene-fueled rocket engines; production of refrigerants; component of tobacco smoke. Formerly used in medicine (inhaled analgesic), film cleaning, dry-cleaning solvent, and fumigant.
Soil Screening
| Last CHHSL revision: | 1/2005 |
|---|---|
| CHHSL Comments: |
For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm |
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 2.0 E-6 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 7.0 E-3 |
| Oral Slope Factor (mg/kg-day)-1: | 5.9 E-3 |
| Comments/References: |
OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011.
OEHHA 2009. Public Health Goal for Trichloroethylene in Drinking Water.
ARB 1990. Proposed Identification of Trichloroethylene as a Toxic Air Contaminant. |
Air
Chronic REL
| Chronic Inhalation REL (μg/m3): | 600 |
|---|---|
| Chronic Target Organs: | Nervous system, eyes |
| Human Data: | Yes |
| Last Chronic REL Revision: | 2000 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3
|
Proposition 65
Chemical Status
| Cancer: | Currently listed |
|---|---|
| Reproductive Toxicity : | Currently listed |
Cancer
Cancer - Listing Mechanism
State's Qualified Experts
| Listed as causing : | Listed as causing: Cancer |
|---|---|
| Date of Listing: |
Reproductive Toxicity
| Listed as causing: | Developmental Toxicity Male Reproductive Toxicity |
|---|---|
| Developmental Toxicity | |
| Date of Listing: | |
| Basis for Listing : | Authoritative Bodies-US Environmental Protection Agency |
| Male Reproductive Toxicity | |
| Date of Listing: | |
| Basis for Listing : | Authoritative Bodies-US Environmental Protection Agency |
Safe Harbor Levels
No Significant Risk Level (NSRL) - Oral
14 µg/day
No Significant Risk Level (NSRL) - Inhalation
50 µg/day
| Cancer | |
| Last NSRL/MADL Revision: | 2012 |
|---|
Documents, Presentations, and Publications
| Cancer: |
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Public notices related to this chemical
- Request for Relevant Information: Trichloroethylene (TCE)
- Notice of Intent to List: Trichloroethylene
- Chemical Listed Effective January 31, 2014 as Known to the State of California to Cause Reproductive Toxicity: Trichloroethylene
- Proposed Amendment To Section 25705 Specific Regulatory Levels Posing No Significant Risk: Trichloroethylene
- Amendment To Section 25705 Specific Regulatory Levels Posing No Significant Risk: Trichloroethylene
Water
California Public Health Goals Data
| Health Risk Category: | Carcinogenicity |
|---|---|
| Public Health Goal (mg/L): | 0.0017 |
| Public Health Goal - Download: | tcephg070909.pdf |
| Cancer Risk at PHG: | 0.000001 |
| MCL value (mg/L): | 0.005 |
| Cancer Risk at MCL: | 0.000003 |
| Last PHG Revision : | 2009 |
| California PHG Comments: |
CA MCL to be reviewed for possible revision. OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports |