API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

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PART 1—INTRODUCTION TO RISK-BASED INSPECTION METHODOLOGY 1-113.1.76target dateDate where the risk target is expected to be reached and is the date at or before the recommendedinspection should be performed.3.1.77TNO multi-energy modelA blast model based on the theory that the energy of explosion is highly dependent on the level ofcongestion and less dependent on the fuel in the cloud.3.1.78TNT equivalency modelAn explosion model based on the explosion of a thermodynamically equivalent mass of trinitrotoluene (TNT).3.1.79transmissivityThe fraction of radiant energy that is transmitted from the radiating object through the atmosphere to a target;the transmissivity is reduced due to the absorption and scattering of energy by the atmosphere itself.3.1.80toxic chemicalAny chemical that presents a physical or health hazard or an environmental hazard according to theappropriate material safety data sheet (MSDS). These chemicals (when ingested, inhaled, or absorbedthrough the skin) can cause damage to living tissue, impairment of the central nervous system, severeillness, or in extreme cases, death. These chemicals may also result in adverse effects to the environment(measured as ecotoxicity and related to persistence and bioaccumulation potential).3.1.81vapor cloud explosionVCEWhen a flammable vapor is released, its mixture with air will form a flammable vapor cloud. If ignited, theflame speed may accelerate to high velocities and produce significant blast overpressure.3.2 Acronyms and AbbreviationsACFMACSCCAEAEGLAHFAIHAAITASMEASTASTMAUAWWAalternating current field measurementalkaline carbonate stress corrosion crackingacoustic emissionacute exposure guideline levelanhydrous hydrofluoric acidAmerican Industrial Hygiene Associationautoignition temperatureAmerican Society of Mechanical Engineersatmospheric storage tankAmerican Society for Testing and Materialsadditional uncertaintyAmerican Water Works Association
1-12 API RECOMMENDED PRACTICE 581BFWBLEVEBODCACCPSCFRCLSCCCMLCODCOFCPCUICUI CLSCCDCVGDEADEGADISDFDGADIPADIPPRDODPODRRFDSOEPAERPGEVAexternal CLSCCFCFCCFCCUFFSboiler feed waterboiling liquid expanding vapor explosionbiological oxygen demandcorrosion allowanceCenter for Chemical Process SafetyCode of Federal Regulationschloride stress corrosion crackingcondition monitoring locationchemical oxygen demandconsequence of failurecathodic protectioncorrosion under insulationexternal chloride stress corrosion cracking under insulationdirect current voltage gradientdiethanolaminedense gas dispersiondamage factordiglycolaminediisopropanolamineDesign Institute of Physical Propertiesdissolved oxygendevice partially opendemand rate reduction factordevice stuck openEnvironmental Protection AgencyEmergency Response Planning Guidelinesextreme value analysisexternal chloride stress corrosion crackingfinancial consequencefluid catalytic crackingfluid catalytic cracking unitFitness-For-Service
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Page 39 and 40: PART 2PROBABILITY OF FAILURE METHOD
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RISK-BASED INSPECTION METHODOLOGY,
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CONTENTSTABLE 2.A.1—LEADERSHIP AN
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PART 2, ANNEX 2.BDETERMINATION OF C
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2.B.8 AMINE CORROSION .............
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Risk-Based Inspection MethodologyPa
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CONTENTSOVERVIEW ..................
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PART 3CONSEQUENCE OF FAILURE METHOD
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4.6.5 Releases to the Environment .
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5.9.7 Determination of Final Toxic
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CONTENTS3.A.1 GENERAL .............
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CONTENTS1 GENERAL………………
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PART 5SPECIAL EQUIPMENT5-1
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Consequence of Failure Methodology
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CONTENTS5.A.1 General .............
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API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

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