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11311280 
Technical Report 
Toxicological review of barium and compounds (CAS No. 7440-39-3) in support of summary information on the Integrated Risk Information System (IRIS) (Revised) 
U.S. Environmental Protection Agency :: U.S. EPA 
2005 
U.S. Environmental Protection Agency 
Washington, DC 
EPA/635/R-05/001 
87 
English 
This document presents background information and justification for the Integrated Risk
Information System (IRIS) Summary of the hazard and dose-response assessment of barium. IRIS Summaries may include an oral reference dose (RfD), inhalation reference concentration (RfC) and a carcinogenicity assessment.