THE NATIONAL ACADEMIES PRESS
500 5th St., N.W. Washington, DC 20001

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

Support for this project was provided by the U.S. Department of Energy under Contract No. DE-FC01-99EW59049, the U.S. Department of Defense under Purchase Order No. DASW01-00-P-3588, the U.S. Army and the U.S. Air Force under Purchase Order No. DAAD05-00-P-7387, the Strategic Environmental Research and Development Program under Contract No. DACA72-99-P-0210, the National Institute of Environmental Health Sciences under Purchase Order No. 273-MH-918344, the Agency for Toxic Substances and Disease Registry under Contract No. 200-2000-00629, the U.S. Environmental Protection Agency under Grant No. X-82966601, and the Gas Research Institute under Grant No. 8339.

International Standard Book Number: 0-309-08625-6

Library of Congress Control Number: 2002117001

Additional copies of this report are available from the
National Academies Press,
500 Fifth Street, N.W., Washington, D.C. 20001; (800) 624-6242 or (202) 334-3313 (in the Washington metropolitan area); Internet <http://www.nap.edu>.

Copyright 2003 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement