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Recommended Practice 584

Integrity Operating Windows

Defines and explains the importance of IOWs for process safety management and to guide users in how to establish and implement an IOW program for refinery and petrochemical process facilities for the express purpose of avoiding unexpected equipment degradation that could lead to loss of containment. It is not the intent of this document to provide a complete list of specific IOWs or operating variables that might need IOWs for the numerous types of hydrocarbon process units in the industry (though some generic examples are provided in the text and in Appendix A), but rather to provide the user with information and guidance on the work process for development and implementation of IOWs for each process unit.

1st Edition | May 2014

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