ENVIRONMENTAL SCIENCE & TECHNOLOGY ©Copyright 1996 by the American Chemical Society EDITOR William H. Glaze, University of North Carolina, Chapel Hill ASSOCIATE EDITORS Walter Giger, EAWAG (Europe); Ronald A. Hites, Indiana University; James F. Pankow, Oregon Graduate Institute; Jerald L. Schnoor, University of Iowa (water); John H. Seinfeld, California Institute of Technology (air); Mitchell I. Small, Carnegie Mellon University; Joe Suflita, University of Oklahoma ADVISORY BOARD William L. Budde, EPA Environmental Monitoring Systems Laboratory; Stuart E Cram, Hewlett-Packard Company; Joan M. Daisey, Lawrence Berkeley Laboratory; John Ehrenfeld, Massachusetts Institute of Technology; Michael R. Hoffmann, California Institute of Technology; Sheila Jasanoff, Cornell University; Richard M. Kamens, University of North Carolina; Michael Kavanaugh, ENVIRON Corporation; M. Granger Morgan, Carnegie Mellon University; P. H. Pritchard, EPA Research Laboratory; Dennis Schuetzle, Ford Motor Company; Alan T. Stone, The Johns Hopkins University; Alexander J. B. Zehnder, EAWAG WASHINGTON STAFF Managing Editor: Stephen Cole Associate Editors: Jeff Johnson, Catherine M. Cooney Contributing Editor: Rebecca Renner Program Assistant: Dawn Hayes MANUSCRIPT EDITING Journals Editing Manager: Kathleen E. Duffy Assistant Editor: Brenda S. Wooten GRAPHICS AND PRODUCTION General Manager: Alan Kahan Composition Manager: Vincent L. Parker Manager, Copy Editing: Elizabeth Wood Production Coordinator: Jennie Reinhardt Art Director: Neal Clodfelter MARKETING General Manager: Peter Gaviorno Circulation Manager: Cecelia A. Huffman PUBLICATIONS DIVISION Director: Robert H. Marks Director, Journal Publishing Operations: Mary E. Scanlan Director, Special Publishing Operations: Anthony Durniak ADVERTISING MANAGEMENT Centcom, Ltd. For officers and advertisers, see page 505A.
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