The information in this book is given in good faith and belief in its accuracy, but does not imply the acceptance of any legal liability or responsibility whatsoever, by the Institution, or by the author, for the consequences of its use or misuse in any particular circumstances . All rights reserved . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright owner . Published by Institution of Chemical Engineers Davis Building 165-171 Railway Terrace. | HAZOP AND HAZAN Identifying and Assessing Process Industry TT T 1 Hazards k Trevor Kietz J Third Edition HAZOP AND HAZAN Identifying and Assessing Process Industry Hazards Third Edition Trevor Kletz INSTITUTION OF CHEMICAL ENGINEERS Distributed exclusively in the USA and Canada by Hemisphere Publishing Corporation The information in this book is given in good faith and belief in its accuracy but does not imply the acceptance of any legal liability or responsibility whatsoever by the Institution or by the author for the consequences of its use or misuse in any particular circumstances. All rights reserved. No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior permission of the copyright owner. Published by Institution of Chemical Engineers Davis Building 165-171 Railway Terrace Rugby Warwickshire CV21 3HQ UK. Distributed exclusively in the USA and Canada by Hemisphere Publishing Corporation A member of the Taylor Francis Group 1900 Frost Road Suite 101 Bristol C I Copyright 1992 Institution of Chemical Engineers ISBN 0 85295 285 6 First Edition 1983 Second Edition 1986 Third Edition 1992 Reprinted 1992 1993 ISBN 1 56032 276 4 Hemisphere Publishing Corporation Library of Congress Cataloging-in-Publication Data Kletz Trevor A. Hazop and hazan identifying and assessing process industry hazards Trevor Kletz. 3rd ed. Includes bibliographic references and index ISBN 1-56032-276-4 1. Chemical engineering Safety measures. 1992 92-5475 660 .2804-dc20 CIP Printed in Great Britain by Redwood Books Trowbridge Wiltshire FOREWORD The Institution of Chemical Engineers example syllabus for chemical engineering education1 includes Systematic identification and quantification of hazards hazard and operability studies and this book is intended to spread knowledge of these subjects. It is based on lecture notes that I have used for
