December 15, 1999

EPA-SAB-CASAC-CON-00-004

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 of the
                          Particulate Matter Staff Paper

Dear Ms. Browner:

       The Clean Air Scientific Advisory Committee (CAS AC) of the Science Advisory Board
(SAB), met on December 2, 1999 to conduct a Consultation with staff from the Office of Air and
Radiation (OAR), Office of Air Quality Planning and Standards (OAQPS) on the continuing
Development of the Staff Paper for the national ambient air quality standards (NAAQS) for
Particulate Matter.

       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.


                                  Sincerely,
                                 Dr. Joe Mauderly, Chair
                                 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
                   Participate Matter Review Panel (FY2000)

CHAIR
Dr. Joe L. Mauderly, Director of External Affairs, Senior Scientist and Director of National
       Environmental Respiratory Center, Lovelace Respiratory Research Institute, Albuquerque,
       NM (Member of the Executive Committee of the Science Advisory Board)

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

Dr. Philip Hopke,R.A. Plane Professor of Chemistry and Dean of the Graduate School,
       Clarkson University, Potsdam, New York (Chair of the CAS AC Technical Subcommittee
       on Fine Particle Monitoring; Member of the Research Strategies Advisory Committee of
       the Science Advisory Board))

Dr. Eva J. Pell, Steimer Professor of Agriculture Sciences, The Pennsylvania State University,
       University Park, PA

Dr. Arthur C. Upton, M.D., Director, Independent Peer Review, CRESP, Environmental and
       Occupational Health Sciences Institute, New Brunswick, NJ (Member of the Institute of
       Medicine, National Academy of Sciences; former Chair of the Environmental Health
       Committee of the Science Advisory Board)

Dr. Sverre Vedal, M.D., Professor of Medicine, Vancouver General Hospital, Vancouver, BC
       Canada

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

CONSULTANTS
Dr. Jane Koenig, Professor, University of Washington, Seattle, WA

Dr. Petros Koutrakis, Professor of Environmental Sciences, Harvard University, Boston, MA

Dr. Allan Legge, President, Biosphere Solutions, Calgary, Alberta, Canada,

Dr. Paul Lioy, Deputy Director-EOHSI and Professor of Environmental and Community
       Medicine Environmental & Occupational Health Sciences Institute, Robert Wood Johnson
       School of Medicine, Piscataway, NJ (Chair of the Health and Environmental Effects
       Subcommittee of the Advisory Council on Clean Air Compliance Analysis of the Science
       Advisory Board)

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Dr. Morton Lippmann, New York University Medical Center, Nelson Institute of
      Environmental Medicine, Lanza Laboratory, Tuxedo, NY (Member of the Executive
      Committee of the Science Advisory Board; former Chair of CAS AC)

Dr. Roger O. McClellan, President Emeritus, Chemical Industry Institute of Toxicology,
      Albuquerque, NM (Member of the Institute of Medicine, National Academy of Sciences;
      former Chair of CASAC)

Dr. Fred Miller, Director, Respiratory & Neurotox Research Program, Chemical Industry
      Institute of Toxicology, Research Triangle Park, NC

Dr. Gunter Oberdorster, Professor of Toxicology, University of Rochester, Department of
      Environmental Medicine, Rochester, NY

Dr. Robert D. (Bob) Rowe,CEO, Stratus Consulting, Inc., Boulder, CO

Dr. Jonathan SametM.D., Johns Hopkins University, School of Hygiene & Public Health,
      Department of Epidemiology, Baltimore, MD

Mr. Ron White, Deputy Director, National Programs and Director, Environmental Health,
      American Lung Association, Washington, DC

Dr. George T. WolflJ Principal Scientist, General Motors Corporation, Detroit, MI (former Chair
      of CASAC)

SCIENCE ADVISORY BOARD STAFF
Mr. A. Robert Flaak, Designated Federal  Officer, Science Advisory Board  (1400A), U.S.
      Environmental Protection Agency, Washington, DC

Ms. Diana Pozun, Management Assistant, Science Advisory Board (1400A), U.S.
      Environmental Protection Agency, Washington, DC

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                                       NOTICE
       This report has been written as 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 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 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.
                                           in

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