Transcription of Process Safety Metrics - AIChE
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Process Safety Metrics - AIChE
Process Safety Metrics Guide for Selecting leading and Lagging Indicators 2018 PSE CountPSE RatePSE Severity Rate20132014201520162017 Version Process Safety Metrics : Guide for Selecting leading and Lagging Metrics Page 2 of 63 Table of Contents Acronyms Preface 1 Introduction 2 Process Safety indicator Overview Process Safety Incident Designation Process Safety indicator Criteria Process Involvement Reporting Thresholds Location Acute Release Process Safety Incident Flowchart Exclusions 3 Tier 1 - Process Safety Event Indicators Tier 1 indicator Purpose Tier 1 Process Safety Event Thresholds Tier 1 Process Safety Event Severity Levels 4 Tier 2 - Process Safety Event Indicators Tier 2 indicator Purpose Tier 2 Process Safety Event Thresholds 5 Reporting Process Safety Event Tier 1 and Tier 2 Metrics Rate Adjusted Metrics Industry Process Safety Metrics PSE Metrics Interpretations and Examples 6 Tier 3 - Near Miss Incident Indicators Tier 3 indicator Purpose Definition of a Process Safety Near Miss
is essential that companies in the chemical and petroleum industries implement effective leading and lagging process safety indicators. The characteristics of these metrics are as follows [1]: Reliable: They are measurable using an objective or unbiased scale. To be measurable, an indicator needs to be specific and discrete.
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