8IARC, IARC Monographs Programme on the Evaluation of Carcinogenic Risks to Humans. Available at http://monographs, iarc. fr/2004.
9IRIS, All Searches Conducted Online through Toxnet in 1999 Unless Specifically Noted with Another Year. Database Developed and Maintained by the US EPA, Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH. Available at: www. epa. gov/iris/subst/index, html 1999.
10US EPA, Risk Assessment Guidance for Superfund : Human Health Evaluation Manual ( Part B, Development of Risk Based Preliminary Remediation Goals) [ R] . EPA./540/R92/003, Washington, DC: Office of Emergency and Remedial Response, US EPA, 1991.
