In which part of the SEC is the PEC located?

The primary engineering control (PEC) is located in the buffer area of the sterile compounding environment (SEC). The buffer area is specifically designed to maintain an environment that minimizes contamination risk while sterile preparations are performed. It houses the PEC, which may include laminar airflow hoods or isolators that provide the necessary air quality and work conditions required for aseptic compounding.

The buffer area's controlled environment is crucial because it ensures that airborne particulate and microbial contamination is kept to a minimum during the preparation of sterile products. By situating the PEC in this area, pharmacists and technicians can perform their compounding procedures under optimal conditions, which is critical for patient safety and maintaining the integrity of sterile products.

Other areas such as the clean room, preparation area, and gowning area serve different purposes in the sterile compounding process, focusing on overall cleanliness, preparation logistics, and personnel preparation respectively. However, it is the buffer area that specifically accommodates the PEC for the actual compounding activities.