Provisional Peer-Reviewed Toxicity Values (PPRTVs)

2,4,6-Trichlorophenol

CASRN 88-06-2

PPRTV Toxicity Values Summary Table

Noncancer Assessment

Estimate of Chronic Reference Dose for Oral Exposure (RfD)Last Updated: 03/21/2007
System RfD (mg/kg-day) Basis PoD UF Confidence
Reproductive 1 x 10-3 Decreased litter size NOAEL : 3 mg/kg-day 3000 Low
Species Studied: Rat
Duration: 10 weeks prior to mating through mating and gestation
Principal Study: Exon and Koller 1985
Note: There is also a LOAEL associated with this value.



Estimate of Chronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 03/21/2007
Data inadequate for deriving a chronic RfC.


Estimate of Subchronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 03/21/2007
Data inadequate for deriving a subchronic RfC.


Cancer Assessment

Weight of Evidence for CancerLast Updated: 03/21/2007
Please see IRIS.


Estimate of Carcinogenic Risk from Oral ExposureLast Updated: 03/21/2007
Please see IRIS.


Estimate of Carcinogenic Risk from Inhalation ExposureLast Updated: 03/21/2007
Please see IRIS.

Provisional Peer-Reviewed Toxicity Values (PPRTVs)