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:

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:

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: 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