This standard practice outlines a process of related activities that a pipeline operator can use to plan, organize, and execute an ILI project. This standard is applicable to carbon steel pipeline systems used to transport natural gas, hazardous liquids including those containing anhydrous ammonia, carbon dioxide, water including brine, liquefied petroleum gases (LPG), and other services that are not detrimental to the function and stability of ILI tools. This standard is maintained by Task Group 212.