API MPMS Ch. 19.2 is a technical reference for Evaporative Loss from Floating-Roof Tanks, helping organizations evaluate a practical issue that can affect product loss, emissions management, and operating consistency. As part of the API MPMS series, it supports teams that need a recognized basis for reviewing storage tank performance and related loss considerations. For buyers comparing standards documents, this edition provides a focused reference for engineering, operations, inspection, and procurement workflows where floating-roof tank behavior and loss control are relevant.

API MPMS Ch. 19.2 standard overview

API MPMS Ch. 19.2 serves as an API standard reference centered on evaporative loss from floating-roof tanks. It is intended to support technical understanding of a specific storage tank loss topic within petroleum and process facilities. Professionals may use it as a benchmark when assessing equipment-related loss concerns, aligning internal documentation, or supporting technical review of tank operations. The 4th edition, published in 2020, is a practical document for organizations seeking a recognized API MPMS source on this subject.

Where is API MPMS Ch. 19.2 used?

API MPMS Ch. 19.2 is commonly relevant in terminals, refineries, tank farms, and other storage environments where floating-roof tanks are used. It may be consulted by operations, inspection, engineering, maintenance, and QA/QC teams when reviewing tank-related loss issues or supporting facility documentation. It can also be useful during procurement and project work when technical references are needed for storage system planning, operating reviews, or compliance-oriented recordkeeping. Its focus makes it especially relevant where vapor loss control and tank management intersect.

Practical importance of API MPMS Ch. 19.2

API MPMS Ch. 19.2 matters because it gives technical teams a shared reference for a loss mechanism that can affect efficiency, environmental handling, and operational reporting. In day-to-day work, that can support clearer communication between engineering, operations, and inspection groups, while also helping procurement and project teams select the right document for storage-tank-related tasks. For organizations managing floating-roof tanks, a consistent API reference can improve technical alignment, reduce interpretation gaps, and support more reliable internal procedures.

• Floating-roof tank evaporative loss reference
• Storage tank technical review support
• Operations and inspection alignment
• Engineering and project documentation
• Procurement-ready API MPMS reference
• Refining and terminal use cases