UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                               WASHINGTON, D.C. 20460
                                  November 20, 1998
                                x                                   OFFICE OF THE ADMINISTRATOR
          CASAC-CON-99-001 t/                                      SCIENCE ADVISORY BOARD

Honorable Carol M. Browner
Administrator
U.S. Environmental Protection Agency
401 M Street, SW
Washington, DC 20460

             Subject:      Notification of a Consultation on the Development Schedule for the
                          Carbon Monoxide Staff Paper

Dear Ms. Browner:

      The Clean Air Scientific Advisory Committee (CAS AC) of the Science Advisory Board
(SAB), met on November 16, 1998 to conduct a consultation with staff from the Office of Air and
Radiation (OAR), Office of Air Quality Planning and Standards (OAQPS) on the Development
Schedule for the Staff Paper for the national ambient air quality standards (NAAQS) for Carbon
Monoxide.  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, since
CASAC finds the schedule appropriate, the Committee looks forward to conducting a formal
review of the draft Staff Paper  in the future as outlined in the Development Schedule.
                                        Sincerely,
                       v/
Dr. Joan M. Daisey, Chair                       Dr. Joe Mauderly, C
Science Advisory Board                         Clean Air Scientific Advisory Committee
                                              Science Advisory Board
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                       U.S. Environmental Protection Agency
                                Science Advisory Board
                Clean Air Scientific Advisory Committee (CASAC)
Chair
Dr. Joe Mauderly, Director of External Affairs, Lovelace Respiratory Research Institute, Albuquerque, NM

Members
Mr. John Elston, Administrator, Office of Air Quality Management, State of New Jersey, Department of
       Environmental Protection and Energy, Trenton, NJ

Dr. Philip K. Hopke, Dean of the graduate School, and R.A. Plane Professor of Chemistry, Clarkson
       University, Potsdam, NY

Dr. Eva J. Pell,, Steimer Professor of Apricultural Sciences, Pensylvania State University, University Park,
       PA (Did not attend meeting)

Dr. Arthur C. Upton, M.D., Director, Independent Peer Review, CRESP, Environmental and Occupational
       Health Sciences Institute, Piscataway, NJ

Dr. Sverre Vedal, M.D., Professor of Medicine, University of British Columbia, Vancouver, BC, Canada

Dr. Warren White, Senior Research Associate, Washington University, Chemistry Department, St. Louis,
       MO

Consultant
Dr. Stephen M. Ay res, Dean Emeritus, School of Medicine, Medical College of Virginia, Director,
       International Health Program, Virginia Commonwealth University, Richmond, VA

Science Advisory Board Staff
Mr. Robert Flaak, Designated Federal Official (DFO) and Team Leader, Committee Operations Staff, US
       Environmental Protection Agency, Science Advisory Board, Washington, DC

Ms. Diana Pozun, Management Assistant, US Environmental Protection Agency, Science Advisory Board,
       Washington, DC

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                                      NOTICE
       This report has been written as a part of the activities of the 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 faced by 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 or
other agencies in the Federal government. Mention of trade names or commercial products does
not constitute a recommendation for use.
                                           u

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