_API_Publ_4734-2005.pdf

SPECIAL NOTESAPI publications necessarily address problems of a general nature.With respect toparticular circumstances,local,state,and federal laws and regulations should bereviewed.Neither API nor any of APIs employees,subcontractors,consultants,or other assigneesmake any warranty or representation,either express or implied,with respect to theaccuracy,completeness,or usefulness of the information contained herein,or assumeany liability or responsibility for any use,or the results of such use,of any information orprocess disclosed in this publication,or represent that its use would not infringe uponprivately owned rights.API publications may be used by anyone desiring to do so.Every effort has been madeby the Institute to assure the accuracy and reliability of the data contained in them;however,the Institute makes no representation,warranty,or guarantee in connectionwith this publication and hereby expressly disclaims any liability or responsibility forloss or damage resulting from its use or for the violation of any authorities havingjurisdiction with which this publication may conflict.API publications are published to facilitate the broad availability of proven,soundengineering and operating practices.These publications are not intended to obviate theneed for applying sound engineering judgment regarding when and where thesepublications should be utilized.The formulation and publication of API publications isnot intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the markingrequirements of an API standard is solely responsible for complying with all theapplicable requirements of that standard.API does not represent,warrant,or guaranteethat such products do in fact conform to the applicable API standard.All rights reserved.No part of this work may be reproduced,stored in aretrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission fromthe publisher.Contact the Publisher,API Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright C 2005 American Petroleum Institute