U.S. EPA. (2002): A Review of the Reference Dose and Reference Concentration Processes. IRIS Guidance Document EPA/630/P-02/002F, Dec 2002. http://www.epa.gov/raf/publications/review-reference-dose.htm
U.S. EPA. (2002): A Review of the Reference Dose and Reference Concentration Processes. IRIS Guidance Document EPA/630/P-02/002F, Dec 2002. http://www.epa.gov/raf/publications/review-reference-dose.htm