This document outlines a guideline for creating a comprehensive Cleanroom User Requirements Specification (URS). A well-defined URS is critical for ensuring that cleanrooms are designed to meet the specific needs of their intended purposes. It serves as a foundation for the design, construction and validation of cleanroom facilities. Fundamental

Sustaining a cleanroom's contamination-free state is paramount for achieving optimal performance in critical applications. This involves a multifaceted approach encompassing meticulous guidelines, rigorous monitoring, and dedicated personnel training. By adopting best practices, cleanrooms can effectively minimize the risk of contamination, ensurin