Cleanrooms and associated controlled environments — Part 18: Assessment of suitability of consumables

This document gives guidance for assessing personal and non-personal consumables for their appropriate use in cleanrooms, clean zones or controlled zones, based on product and process requirements, cleanliness attributes and functional performance properties. The cleanliness attributes addressed are particles or chemicals in air or on surfaces. Biocontamination (viable particles, microorganisms or pyrogens) is considered as a special property of consumables. Identification of associated risks are considered.

This document complements cleanroom operation as outlined in ISO 14644-5.

This document gives guidance concerning:

— determination of cleanroom suitability of consumables in general;

— specification of requirements for an intended use of a consumable by the customer with respect to functional performance, cleanliness attributes and special properties;

— specification of properties for a designed use of a consumable by supplier;

— assessment of a consumable for an appropriate use;

— documentation.

Informative annexes are used to list examples for personal and non-personal consumables, verification methods for cleanliness attributes testing and the potential impact of con