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16、d revisions are invited and should be submitted to the Standards Department,API,200 MassachusettsAvenue,Suite 1100,Washington,DC 20001,standardsapi.org.iiiContentsPage1Scope and Purpose.12Normative References .13Terms,Definitions,Acronyms,Abbreviations,and Symbols.13.1Terms and Definitions.13.2Acronyms,Abbreviations,and Symbols.124Hazards Management.164.1Process Hazards Management Plan.164.2API 751 Audits.214.3Environmental Impact.224.4Lifting Over In-service Equipment.224.5Incident Review.224.6