本指南的范围包括通常定义为变压器油的矿物绝缘油；回收程序的定义和说明；用于评估回收过程的进度和终点的试验方法，以及推荐使用回收矿物油的标准被认为是合适的。本指南不包括在保修期内的新设备中使用矿物油。

The scope of this guide covers mineral insulating oil commonly defined as transformer oil; definition and description of reclaiming procedures; the test methods used to evaluate the progress and end point of the reclamation process, and what criteria recommended for the use of reclaimed mineral oils are considered suitable. This guide does not cover the use of mineral oil in new apparatus under warranty.