Above Ground Tank Inspection is a standard published and developed by the American Petroleum Institute (API) that covers the inspection, repair, alteration and reconstruction of steel above ground storage tanks used in the petroleum and chemical industries.

The standard provides the minimum requirements for maintaining the integrity of welded or riveted, non-refidgerated, atmospheric pressure, above ground storage tanks after they have been placed into service.

Pressure Vessel Inspection In-Service Inspection, Rating, Repair, and Alteration, is an inspection code, written and published by the American Petroleum Institute (API), that covers in-service inspection, repair, alteration, and rerating activities for pressure vessels and PRNs.

This inspection code applies to most refining and chemical process vessels that have been placed into service.

Risk Based Inspection. As refiners continue operating aging infrastructure, safe operation and equipment availability continue to be key components of a sustainable operation. When considering optimizing inspection projects, more and more refineries are making Risk-Based Inspection (RBI) an integral part of their plan processes. When applied properly, RBI can focus inspection efforts using risk as a basis for prioritizing and managing an in-service inspection program.

Provides guidelines and establishes recommended procedures for inspection, maintenance and repair of items for drilling and well servicing structures to maintain equipment serviceability. Items covered by this publication include masts/derricks, substructures and accessories. This edition is a general revision and includes enhanced recommendations on inspection and personnel qualifications.