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Preliminary Hazards Analysis (PHA)

This document provides a broad hazard-screening tool that includes a review of the types of operations that will be performed in the proposed facility and identifies the hazards associated with these types of operations and facilities. The results of the PHA are used to determine the need for additional, more detailed analysis; serve as a precursor where further analysis is deemed necessary; and serve as a baseline hazard analysis when further analysis is not indicated. The PHA is most applicable in the conceptual design stage, but it is also useful for existing facilities and equipment that have not had an adequate baseline hazard analysis.

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