API MPMS Ch. 19.1 is a focused technical document for understanding evaporative loss from fixed-roof tanks. As part of the API MPMS series, it supports practical work where vapor loss, storage conditions, and tank-related operating considerations matter. Buyers typically review this edition when they need a reliable engineering reference for storage tank evaluation, procurement review, operations planning, or technical documentation. API MPMS Ch. 19.1 helps teams align on a recognized basis for reviewing evaporative loss issues in petroleum storage environments and related facility work.

What is API MPMS Ch. 19.1?

API MPMS Ch. 19.1, Evaporative Loss from Fixed-Roof Tanks, is an API Document that serves as a technical reference within the Measurement, Inspection, and related petroleum standards framework. It addresses the subject of evaporative loss in fixed-roof storage tanks in a structured, industry-recognized way. This makes it useful for organizations that need a consistent document to support technical review, facility studies, or internal standardization. The 5th edition, published in 2017, is commonly relevant where storage tank performance and loss-related considerations must be evaluated with a dependable API source.

Where is API MPMS Ch. 19.1 used?

API MPMS Ch. 19.1 is commonly used in oil and gas storage and handling settings, including terminals, refineries, tank farms, and other facilities that rely on fixed-roof tanks. It may be consulted by engineering, operations, maintenance, inspection, and QA/QC teams when reviewing storage tank-related documentation or planning work tied to vapor loss considerations. Procurement and project teams may also use it as a reference point during specification review, scope definition, or vendor coordination for tank-related applications. Its value is greatest where consistent technical reference is needed for storage operations and supporting documentation.

Why is API MPMS Ch. 19.1 important?

API MPMS Ch. 19.1 matters because evaporative loss from fixed-roof tanks can affect operating efficiency, documentation quality, and technical decision-making around storage assets. For professional teams, it provides a recognized API reference that can support clearer internal communication, more consistent review of tank-related issues, and better alignment between engineering and operations. It is especially useful when organizations want a common basis for procurement checks, maintenance planning, inspection support, or quality-related review. API MPMS Ch. 19.1 helps reduce ambiguity when storage tank loss considerations need to be handled in a practical, documented way.

• Fixed-roof tank evaporative loss reference
• API MPMS series document
• Storage tank technical review support
• Operations, inspection, and engineering use
• Useful for terminal and refinery documentation
• 5th edition, 2017