This document discusses personal protective equipment (PPE) for hazardous materials response. It describes different types of protective clothing including structural firefighting gear, high-temperature suits, and chemical protective clothing. It also covers respiratory protection types and EPA protection levels A-D. The document stresses that no single PPE ensemble protects against all hazards and that climate/health concerns like heat stress must be considered when choosing equipment. Proper training, medical monitoring, and maintenance programs are essential to PPE safety.