What’s New

Microbial Risk Assessment Guideline (External Review Draft)
EPA Announces Peer Review Meeting of the Microbial Risk Assessment Guideline (2 pp, 24K, About PDF)
Draft Guidance for Applying Quantitative Data to Develop Data-Derived Extrapolation Factors for Interspecies and Intraspecies Extrapolation
Recommended Use of Body Weight 3/4 as the Default Method in Derivation of the Oral Reference Dose
EPA releases Dioxin Toxicity Equivalency Factors (TEFs) for Human Health.
This document describes EPA's updated approach for evaluating the human health risks from exposures to environmental media containing dioxin-like compounds.
EPA announces the External Peer Review Meeting on May 6, 2010 for Probabilistic Methods to Enhance the Role of Risk Analysis in Decision-Making (External Review Draft).
The intended goal of these two draft white papers is to describe potential and actual uses of probabilistic tools in the risk decision-making process.
Update to the EPA Risk Assessment Forum’s Guidelines for Exposure Assessment.
This initiative would update the Exposure Assessment Guidelines (EAG) last revised in 1992. While the principles expressed in the EAG are still useful, additional tools and methods have subsequently been developed. These newer resources may be invaluable to exposure assessors.