Problem Formulation for Human Health Risk Assessments of Pathogens in Land-Applied Biosolids (External Review Draft)
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In 2002 the National Research Council released a report entitled, Biosolids Applied to Land: Advancing Standards and Practice. To address the issues raised by that report, in January 2004, EPA released an Action Plan for setting new priorities for the biosolids program. This draft document is an important step in that action plan because it provides concepts and planning methods for consideration and possible use in the conduct of risk assessments focusing on pathogens in land-applied biosolids. The document summarizes the existing literature; defines critical pathogen stressors; develops conceptual models linking the most likely stressors, pathways and health responses of concern; evaluates the overall quality and utility of available risk assessment data, tools and methodologies; and outlines an analysis plan that identifies research and methods for conducting a scientifically defensible risk assessment relevant to EPA’s decision needs.
EPA intends to review comments from both the general public and the external peer-review workshop when publishing the final document.
|Jan 2004||EPA releases final Action Plan for setting priorities.|
|Oct 2007||Document submitted for internal peer review.|
|Sep 2008||EPA releases the External Peer Review document for public review and comment.|
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Register for the workshop:
- online via the Internet at: https://www2.ergweb.com/projects/conferences/peerreview/register-biosolids.htm
- by telephone - 781-674-7374 (registration line only)
- or by sending an email to firstname.lastname@example.org, subject line “Biosolid Peer Review”
Note: Workshop registration deadline is November 12, 2008
This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.
- (147 pp, 802 KB, about PDF)