Government documents. Handbook on in situ treatment of hazardous waste-contaminated soils. US Environmental Protection Agency, Risk Reduction Engineering Laboratory, Cincinnati, OH 45268. EPA/540/2-90/002

1991 ◽  
Vol 1 (2) ◽  
pp. 246-247
Keyword(s):  
Environmental Protection ◽  
Risk Reduction ◽  
Hazardous Waste ◽  
Environmental Protection Agency ◽  
Contaminated Soils ◽  
Protection Agency ◽  
Government Documents ◽  
Agency Risk

An examination of the Environmental Protection Agency risk assessment principles and practices: a brief commentary on section 4.1.3 of the EPA March 2004 Staff Paper

2006 ◽  
Vol 25 (1) ◽  
pp. 19-21 ◽  
Author(s):  
K A Mundt
Keyword(s):  
Risk Assessment ◽  
Environmental Protection ◽  
Environmental Protection Agency ◽  
Default Risk ◽  
Assessment Practices ◽  
Protection Agency ◽  
Risk Models ◽  
The Us ◽  
Agency Risk ◽  
Current Risk

The US Environmental Protection Agency (EPA) recently issued a Staff Paper that articulates current risk assessment practices. In section 4.1.3, EPA states,“...effects that appear to be adaptive, non–adverse, or beneficial may not be mentioned.” This statement may be perceived as precluding risk assessments based on non–default risk models, including the hormetic–or biphasicdose–response model. This commentary examines several potential interpretations of this statement and the anticipated impact of ignoring hormesis, if present, in light of necessary conservatism for protecting human and environmental health, and the potential for employing alternative risk assessment approaches.

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