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Trichloroethylene

CAS Number

79-01-6

Synonym

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.

Trichloroethylene

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: 

Proposition 65

Chemical Status

Cancer: 
Currently listed
Reproductive Toxicity: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
04/01/1988
Basis for Listing: 
State's Qualified Experts

Reproductive Toxicity

Listed as causing: 
Developmental Toxicity
Male Reproductive Toxicity
Developmental Toxicity
Date of Listing: 
01/31/2014
Basis for Listing: 
Authoritative Bodies-US Environmental Protection Agency
Male Reproductive Toxicity
Date of Listing: 
01/31/2014
Basis for Listing: 
Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL) - Oral: 
14 µg/day
No Significant Risk Level (NSRL) - Inhalation: 
50 µg/day
Last NSRL/MADL Revision: 
2012

Documents, Presentations, and Publications

Cancer: 

Public notices related to this chemical: 

Water

California Public Health Goals Data

Health Risk Category: 
Carcinogenicity
Public Health Goal (mg/L): 
0.0017
Public Health Goal - Download: 
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: