FIRE ENGINEERING
Park 80 West Plaza Two, 7th Floor Saddle Brook, NJ 07662 Tel. (201) 845-0800 Fax 201) 845-6275
EDITOR Thomas F. Brennan
MANAGING EDITOR William A. Manning
ASSISTANT EDITOR Diane Feldman
CONTRIBUTING EDITORS
Gene Carlson Richard A. Marinucci
Ray Downey Paul McFadden
Vincent Dunn Robert Obermayer
Frank L. Fire Ed Spahn
Francis X. Holt_Curt Weldon
CONSULTING EDITORS
Jack Bennett Walt Hendrick
Francis L. Brannigan Charles G. King
Hugh J. Caulfield Edward J. McDonald
Glenn P. Corbett Burton W. Phelps
Gerald L. Grey
FEATURE DESIGN Steve Hetzel
ILLUSTRATION Arthur Arias
PUBLISHER Henry H. Dinneen
DIRECTOR OF BOOK PUBLISHING Daniel G. Smith
ADVERTISING COORDINATOR Denise M. Kissock
PRODUCTION MANAGER Mike Paxton, Tulso
CIRCULATION SERVICES, TULSA
Larry Lofton Potsy Russo
Circulation Mgr. Mgr. Paid Circulation
PENNWELL PUBLISHING COMPANY P.0. Box 1260 • Tulsa, OK 74101 (918) 835-3161
CHAIRMAN Philip C. Lauinger, Jr,
PRESIDENT Joseph A. Wolking
GROUP VICE PRESIDENT Joseph T. Bessette
SUBSCRIPTIONS: All subscription correspondence should be addressed to Fire Engineering, P.0. Box 1289, Tulso, OK 74101, or coll 1 (800; 752-9768. Allow 30 days for change of oddress. Please include both old and new oddresses, ond enclose, if possible, on oddress label from a recent issue. Rates for U.S. ond possessions: 1 yr. $21.95, 2 yr. $35.95, 3 yr. $49.95. Canada ond other countries: 1 yr. $34.50,2 yr. $59.50, 3 yr. $78.50. Single copy U.S. $3.50, other countries $7.00.
FRi EMGMtaiNG (ISSN 0015-2587;, ⅛ published monthly by PennWell Publishing Co., 1421 S. Sheridan, Tulsa, OK 74112. August 1990, Volume 143, Number 8. Second-class postage paid at Tulso. Executive, editorial, and advertising offices at Park 80 West, Plozo Two, 7th Floor, Saddle Brook, NJ 07662. ‘Copyright 1990 by PennWell Publishing Co. All rights reserved. Material may not be reproduced in any form without written permission of the publisher. Fire Engineering is a registered trodemark.
POSTMA5TS8: Send oddress changes to Fire Engineering, P.O. Box 1289, Tulsa, OK 74101.
