FIRE ENGINEERING
Park 80 West, Plaza Two, 7th Floor Saddle Brook, NJ 07662 Tel. (201) 845-0800, Fax (201) 845-6275
Editor William A. Manning
Managing Editor Diane Feldman
Associate Editor Mary Jane Dittmar
Assistant Editor John J. Napolitano
Technical Director Thomas F. Brennan
Editorial Advisory Board
Francis L. Brannigan
John N. Carr
Rand-Scott Coggan
Glenn P. Corbett
Ricky Davidson
Ray Downey
Vincent Dunn
C. Bruce Edwards
Frank L. Fire
Gerald L. Grey
Walt Hendrick
Francis X. Holt
Charles G. King
Richard A. Marinucci
John Mittendorf
Gregory G. Noll
Leslie P. Omans
William C. Peters
John B. Sachcn
Ed Spahn
Columnists/Contributing Editors
Francis L. Brannigan
Gene P. Carlson
Glenn P. Corbett
Ray Downey
Frank L Fire
David P. Fornell
John M. Malecky
Peter G. Sparber
Publisher Henry H. Dinneen
Sales Manager Gene C. Prall
Director of Book Publishing Joanne Ezersky
Production Manager Mike Paxton. Tulsa
Advertising Coordinator Audrey I.. Dombrowski
Feature Design Steve Hetzel
Subscriber Service
(918) 832-9360 FAX: (918) 832-9295
PENNWELL PUBLISHING COMPANY
P.O. Box 1260 • Tulsa, OK ~4101 • (918) 835-3161
Chairman Philip C. Lauinger, Jr.
President Joseph A. Wolking Senior Group Vice President Joseph T Bessette
SUBSCRIPTIONS: All subscription correspondence should be addressed to Fire Engineering, P.O. Box 1289, Tulsa. OK 74101. Allow 30 days for change of address. Please include both old and new addresses, and enclose, if possible, an address label from a recent issue. Rates for L’.S. and possessions: 1 yr. S23-50, 2 yr. $38.50. 3 yr. $53.50. Canada and other countries: 1 yr. $40.00, 2 yr. $68.00. 3 yr. $90 00. Single cops U.S. $3.50. other countries $7.00.
FIRE ENGINEERING (ISSN 0015-258-) is publ.shed monthly by PennWell Publishing Co.. 1421 S. Sheridan, Tulsa, OK 74112. February 1992, Volume 145, Number 2. Second-class postage paid at Tulsa and additional mailing offices. Executive, editorial, and advertising offices at Park 80 West. Plaza Two. *tth Floor. reserved Material may not be reproduced in any form without written permission of the publisher. Fire Engineering is a registered trademark. POSTMASTER: Send address changes to Fire Engineering, P.O. Box 1289. Tulsa, OK 74101.