This guideline includes various methodologies for decontaminating CPC and equipment. These methods can be used in routine applications or during emergency response situations. Information on current practices, regulatory compliance, decontamination work plan, facility, waste management, hazard and risk assessment, CPC reuse, quality assurance, and training, as well is provided. This guideline is intended for use by industrial hygienists and safety professionals to assist in the execution of effective decontamination methods. It is also intended to assist employees to ensure user safety, employers to improve survivability of their employees, regulators to provide basis for interpreting related regulations, and perhaps others to avoid secondary or cross-contamination from contaminated CPD and equipment.