UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                                        WASHINGTON, D.C. 20460
                                       October 1, 2001
                                                                     OFFICE OF THE ADMINISTRATOR
                                                                       SCIENCE ADVISORY BOARD
EPA-SAB-CASAC-CON-02-001

Honorable Christine Todd Whitman
Administrator
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue, NW
Washington, DC 20460

       Subj ect:      Agency' s Proposed Methodology for Measuring Coarse Particulate
                    Matter: A CAS AC Notification of a Consultation

Dear Governor Whitman:

       The Clean Air Scientific Advisory Committee (CASAC) of the EPA Science Advisory
Board (SAB) met via public Teleconference on October 1, 2001 to conduct a consultation with
staff from the Office of Air and Radiation on the Agency's Proposed Methodology for
Measuring Coarse 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. However, the
Committee looks forward to a full peer review of the subject matter in a few months.

                                  Sincerely,
                                        /Signed/

                                  Dr. Philip K. Hopke, Chair
                                  Clean Air Scientific Advisory
                                   Committee

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                        U.S. Environmental Protection Agency
                             EPA Science Advisory Board
                       Clean Air Scientific Advisory Committee
                                   FY2001 Members
CHAIR
Dr. Philip Hopke, Robert A. Plane Professor, Department of Chemical Engineering, Clarkson
       University, Potsdam, NY
       Also Member: Research Strategies Advisory Committee
                    Executive Committee

FORMER CHAIR
Dr. Joe Mauderly, Vice President, Senior Scientist, and Director, National Environmental
       Respiratory Center, Lovelace Respiratory Research Institute, Albuquerque, NM

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

Dr. Frederick J. Miller, Director, Respiratory and Neurotoxicology Research Program,
       Chemical Industry Institute of Toxicology, Research Triangle Park, NC

Dr. Arthur C. Upton, Clinical Professor, CRESP-UMDNJ, Robert Wood Johnson Medical
       School, New Brunswick, NJ

Dr. Sverre Vedal, Professor of Medicine, University of British Columbia, Respiratory
       Division, Vancouver, BC Canada

Dr. Barbara Zielinska, Research Professor, Desert Research Institute, Reno, NV

SCIENCE ADVISORY BOARD STAFF
Mr. A. Robert Flaak, Designated Federal Officer, US EPA, EPA Science Advisory Board,
       1200 Pennsylvania Avenue, NW, Washington, DC

Ms. Rhonda Fortson, Management Assistant, US EPA, EPA Science Advisory Board, 1200
       Pennsylvania Avenue, NW, Washington, DC

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                        U.S. Environmental Protection Agency
                             EPA Science Advisory Board
                      Clean Air Scientific Advisory Committee
                   CASAC Subcommittee on Particle Monitoring*

CHAIR
Dr. Philip Hopke, Clarkson University, Potsdam, NY
      Also Member: Executive Committee
                   Research Strategies Advisory Committee

CASAC MEMBERS
Dr. John Elston, State of New Jersey Department of Environmental Protection and Energy,
      Trenton, NJ

OTHER SAB MEMBERS
Dr. Morton Lippmann, New York University Medical Center, Tuxedo, NY
      Member: Executive Committee

CONSULTANTS
Dr. Petros Koutrakis, Harvard University, Boston, MA

Dr. Debra L. Laskin, Rutgers University, Piscataway, NJ

Dr. JoAnn S. Lighty, University of Utah, Salt Lake City, UT

Dr. Peter McMurry, University of Minnesota, Minneapolis, MN

Dr. Kimberly Prather, University of California, Riverside, CA

Dr. Warren H. White, Washington University, St. Louis, MO

Dr. George T. Wolff, General Motors Corporation, Detroit, MI

Mr. Melvin Zeldin, South Coast Air Quality Management District, Diamond Bar, CA

SCIENCE ADVISORY BOARD STAFF
Mr. A. Robert Flaak, Designated Federal Officer, US EPA Science Advisory Board (1400A),
      Washington, DC

Ms. Rhonda Fortson, Management Assistant, US EPA Science Advisory Board (1400A),
      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.

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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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