Cleanrooms and associated controlled environments - Part 10: Classification of surface cleanliness by chemical concentration Ingestion-build-96603 BS 3900- A9 discusses test

BS 3900- A9 discusses test methods for paints

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With obedience and compliance of BS EN 15695-1

— Subclauses and tables which carry the suffix letter “B” are applicable only to tubular cored electrodes classified under the system based upon the tensile strength and an average impact energy of 27 J of the all-weld metal given in this document

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Cleanrooms and associated controlled environments - Part 10: Classification of surface cleanliness by chemical concentration Ingestion-build-96603 BS 3900- A9 discusses test1 Scope This part of ISO 14644 defines the classification system for cleanliness of surfaces in cleanrooms with regard to the presence of chemical compounds or elements (including molecules, ions, atoms and particles). This part of ISO 14644 is applicable to all solid surfaces in cleanrooms and associated controlled environments such as walls, ceilings, floors, working environment, tools, equipment and devices. NOTE 1 For the purpose of this part of