_API_PUBL_4709-2001.pdf

AmericanPetroleumInstituteRisk-Based Methodologies forEvaluating Petroleum HydrocarbonImpacts at Oil and NaturalGas E&P SitesRegulatory and Scientific Affairs DepartmentAPI PUBLICATION NUMBER 4709FEBRUARY 2001No roproduction or notworking permitled without liconso from IHSNot for RosaleNo roproduction or notworking permitled without liconso from IHSNot for RosaletesarsNo roproduction or notworking permitled without liconso from IHSNot for RosaleFOREWORDAPI publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,manufacturers,or suppliers towarn and properly train and equip their employees,and others exposed,concerning healthand safety risks and precautions,nor undertaking their obligations under local,state,or fed-eral laws.Nothing contained in any API publication is to be construed as granting any right,byimplication or otherwise,for the manufacture,sale,or use of any method,apparatus,or prod-uct covered by letters patent.Neither should anything contained in the publication be con-strued as insuring anyone against liability for infringement of letters patent.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,ortransmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher.Contact the PublisherAPI Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 2001 American Petroleum Institute而No roproduction or notworking permitled without liconso from IHSNot for Rosale