LOUIS J. DiBERARDINIS, CIH, CSP, is Director of Environmental Medical Service, Massachusetts Institute of Technology in Cambridge, Massachusetts.
JANET S. BAUM, AIA, is a Principal of Health, Education and Research Associates, Inc. in St. Louis, Missouri.
MELVIN FIRST, ScD, PE, CIH, is Professor Emeritus of Environmental Health Engineering at the Harvard School of Public Health in Boston, Massachusetts.
GARI T. GATWOOD, CSP, is a consulting environmental health and safety engineer in Acton, Massachusetts.
ANAND K. SETH, PE, is Director of Utilities and Engineering for Partners HealthCare Systems, Inc. in Boston, Massachusetts.