The purpose of this guide is to present information on the equipment and the methods that can be used when monitoring, managing and cleaning contaminated insulators. The methods or equipment, or both, presented in this guide are not intended to prescribe specific procedures, but to present the successful experiences of many individuals who have safely monitored, managed and cleaned contaminated insulators. The guide is intended to serve as a reference source for a company, or persons, seeking information on insulator monitoring, managing and cleaning procedures so that they may consider the experience of others in modifying or formulating insulator monitoring, managing and cleaning programs and practices.