UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
WASHINGTON, D.C. 20460
September 20, 2001
EP A-S AB-DWC-CON-01-008
OFFICE OF THE ADMINISTRATOR
SCIENCE ADVISORY BOARD
Honorable Christine Todd Whitman
Administrator
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue, NW
Washington, DC 20460
Re: Revised Microbial Risk Assessment Framework; an EPA Science
Advisory Board Notification of a Consultation
Dear Governor Whitman:
The Drinking Water Committee (DWC) of the EPA Science Advisory Board (SAB), met
on June 12 and 13, 2001, in part to conduct a consultation with staff from the Office of Water's
Office of Science and Technology (OW/OS&T) on the Agency's plans to develop tools and
approaches to carry conduct risk assessments of microbial contamination that might be
associated with drinking water in the United States.
The SAB has developed the consultation as a mechanism to advise the Agency on
technical issues that should be considered in the development of regulations, guidelines, or
technical guidance before the Agency has taken a position. A consultation is conducted under
the normal requirements of the Federal Advisory Committee Act, which include advance notice
of the public meeting in the Federal Register.
As is our customary practice, there will be no formal report from the SAB as a result of
this consultation, nor do we expect any formal response from the Agency. However, the
Committee looks forward to the opportunity of continuing to interact with EPA on this issue
in the future.
Sincerely,
/Signed/ /Signed/
Dr. William Glaze, Chair Dr. Rhodes Trussell, Chair
EPA Science Advisory Board Drinking Water Committee
EPA Science Advisory Board
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U.S. Environmental Protection Agency
Science Advisory Board
Drinking Water Committee
Microbial Risk Assessment Framework*
CHAIR
Dr. R. Rhodes Trussell, Montgomery Watson Harza Engineering, Pasadena, CA
Also Member: Executive Committee
MEMBERS
Dr. David B. Baker, Heidelberg College, Tiffin, OH
Dr. Richard Bull, MoBull Consulting, Kennewick, WA
Also Member: Research Strategies Advisory Committee
Dr. Mary Davis, West Virginia University Health Sciences Center, Morgantown, WV
Dr. Ricardo DeLeon, Metropolitan Water District, La Verne, CA
Dr. Yvonne P. Dragan, Ohio State University, Dublin, OH
Dr. John Evans, Harvard University, Boston, MA
Dr. Sidney Green, Howard University, Washington, DC
Dr. Barbara Harper, Yakama Indian Nation, West Richland, WA
Dr. Lee D. McMullen, Des Moines Water Works, Des Moines, IA
Dr. Christine Moe, Emory University, Atlanta, GA
Dr. Philip Singer, University of North Carolina, Chapel Hill, NC
Dr. Gary Toranzos, University of Puerto Rico, San Juan, Puerto Rico
SCIENCE ADVISORY BOARD STAFF
Ms. Wanda Fields, Management Assistant, US EPA Science Advisory Board, Washington, DC
Dr. John Fowle, Deputy Staff Director, US EPA Science Advisory Board, Washington, DC
Mr. Thomas Miller, Designated Federal Officer, US EPA Science Advisory Board, Washington, DC
* Members of this SAB Panel consist of:
a. SAB Members: Experts appointed by the Administrator to serve on one of the SAB Standing Committees.
b. SAB Consultants: Experts appointed by the SAB Staff Director to a one-year term to serve on ad hoc
Panels formed to address a particular issue.
c. Liaisons: Members of other Federal Advisory Committees who are not Members or Consultants of the
Board.
d. Federal Experts: The SAB charter precludes Federal employees from being Members of the Board.
"Federal Experts" are federal employees who have technical knowledge and expertise relevant to the
subject matter under review or study by a particular panel.
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NOTICE
This report has been written as part of the activities of the EPA Science Advisory Board,
a public advisory group providing extramural scientific information and advice to the
Administrator and other officials of the Environmental Protection Agency. The Board is
structured to provide balanced, expert assessment of scientific matters related to problems facing
the Agency. This report has not been reviewed for approval by the Agency and, hence,
the contents of this report do not necessarily represent the views and policies of the Environmental
Protection Agency, nor of other agencies in the Executive Branch of the Federal government, nor
does mention of trade names or commercial products constitute a recommendation for use.
Distribution and Availability: This EPA Science Advisory Board report is provided to the EPA
Administrator, senior Agency management, appropriate program staff, interested members of the
public, and is posted on the SAB website (www.epa.gov/sab). Information on its availability is
also provided in the SAB's monthly newsletter (Happenings at the Science Advisory Board).
Additional copies and further information are available from the SAB Staff [US EPA Science
Advisory Board (1400A), 1200 Pennsylvania Avenue, NW, Washington, DC 20460-0001; 202-
564-4533].
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