2005 CPEO Military List Archive

From: Lenny Siegel <lsiegel@cpeo.org>
Date: 11 Aug 2005 16:41:44 -0000
Reply: cpeo-military
Subject: [CPEO-MEF] Critique of the process for setting the IRIS perchlorate reference dose
This editorial originally appeared in the June 2005 edition of Human and Ecological Risk Assessment.

Consequences, Ethical Obligations, IRIS, NAS Reviews and Perchlorate in Drinking Water

David R. Brown
July 31, 2005

In February 2005, the U.S. Environmental Protection Agency (USEPA) placed a reference dose (RfD) and drinking water equivalent level on their Integrated Risk Information System (IRIS) database, but without the usual internal agency review, external review, public notice, and comment period (USEPA 2005). The RfD was taken from the Report of the National Academy of Sciences' Committee to Assess the Health Implications of Perchlorate (NRC 2005). The USEPA action raises scientific and societal questions that extend beyond the science and policy of risk assessment, touching the disciplines of ethics and morality. The scientific questions address the adequacy and appropriateness of the value derived by the National Academy of Sciences's (NAS's) perchlorate committee. Equally important, there are also societal consequences when a major change occurs to a tool that is a key component in public health protection. The purpose of this editorial is not to simply discuss the details of the scientific questions, but rather to address broader concerns on the ethical obligations of risk assessors in public health.



For the original in Human and Ecological Risk Assessment, go to http://taylorandfrancis.metapress.com/app/home/contribution.asp?wasp=2b48a427191641bcbc6ee506b64a69a2&referrer=parent&backto=issue,1,12;journal,1,30;linkingpublicationresults,1:105863,1

Lenny Siegel
Director, Center for Public Environmental Oversight
c/o PSC, 278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918

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