Provisional Peer-Reviewed Toxicity Values (PPRTVs)

2-Chloronaphthalene

CASRN 91-58-7

PPRTV Toxicity Values Summary Table

Noncancer Assessment

Estimate of Chronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/03/2009
Please see IRIS.


Estimate of Subchronic Reference Dose for Oral Exposure (RfD)Last Updated: 09/03/2009
System RfD (mg/kg-day) Basis PoD UF Confidence
Respiratory ,
Hepatic
2 x 10-1 Dyspnea
Enlargement
NOAEL : 250 mg/kg-day 1000 Low
Species Studied: Mouse
Duration: 13 weeks
Principal Study: US EPA 1989 as cited in US EPA 2009



Estimate of Chronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/03/2009
Data are inadequate to derive a chronic RfC.


Estimate of Subchronic Reference Concentration for Inhalation Exposure (RfC)Last Updated: 09/03/2009
Data are inadequate to derive a subchronic RfC.


Cancer Assessment

Weight of Evidence for CancerLast Updated: 09/03/2009
IN - Inadequate information to assess carcinogenic potential.


Estimate of Carcinogenic Risk from Oral ExposureLast Updated: 09/03/2009
Data are inadequate to derive an oral slope factor.


Estimate of Carcinogenic Risk from Inhalation ExposureLast Updated: 09/03/2009
Data are inadequate to derive an inhalation unit risk.

Provisional Peer-Reviewed Toxicity Values (PPRTVs)