3EHS.com3E3EHS.com 3EHS.com 3E3EHS.com 3ESecurity Risk AssessmentMethodology for the Petroleumand Petrochemical IndustriesANSI/API STANDARD 780FIRST EDITION,MAY 2013REAFFIRMED,FEBRUARY 20223EHS.com 3E3EHS.com 3EHS.com 3ElBEHS.com 3EHS.com 3EHS.com 3EHS.corBEHS.com 3EHS.Pcom 3EHS.com 3EHS.cm 3EPetroleumBEHS.cor3EHS.conBEHS3EHS.co3EHS.co3ESpecial NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,state,and federal laws and regulations should be reviewed,Neither API nor any of API's employees,subcontractors.consultants,committees,or other assignees make anywarranty or representation,either express or implied,with respect to the accuracy,completeness,or usefulness of theinformation contained herein,or assume any liability or responsibility for any use,or the results of such use,of anyinformation or process disclosed in this publication.Neither API nor any of API's employees,subcontractorsconsultants,or other assignees represent that use of this publication would not infringe upon privately owned rights.●●●●API publications may be used by anyone desiring to do so.Every effort has been made by the Institute to assure theaccuracy and reliability of the data contained in them;however,the Institute makes no representation,warranty:orguarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven,sound engineering and operatingpractices.These publications are not intended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utilized.The formulation and publication of APl publicationsis not intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standardis solely responsible for complying with all the applicable requirements of that standard.API does not represent,warrant,or guarantee that such products do in fact conform to the applicable API standard.Users of this Standard should not rely exclusively on the information contained in this document.Sound business.scientific,engineering,and safety judgment should be used in employing the information contained herein.Work sites and equipment operations may differ.Users are solely responsible for assessing their specific equipmentand premises in determining the appropriateness of applying the Standard.At all times users should employ soundbusiness,scientific,engineering,and judgment safety when using this Standard.BEHScom 3EHS.ccom 3EHScom 3EPublisher,API Publishing Services,200 Massachusetts Avenue,NW,Washington,DC 20001.3EHSCopyright 2013 American Petroleum InstituteEHEHS3E