Cleanrooms and associated controlled environments - Assessment of suitability for use of equipment and materials by airborne chemical concentration Ingestion-build-73935 This technical report is applicable

This technical report is applicable to power utility automation systems (PUAS)

The repair and reclamation of explosion-protected equipment

Note4: BS EN 1909 does not apply to installations for the transportation of goods by rope or to lifts

Who is BS EN 4339 - Heat resisting alloy CO-WH4001 (CoCr29W9) used in Aerospace applications for

Cleanrooms and associated controlled environments - Assessment of suitability for use of equipment and materials by airborne chemical concentration Ingestion-build-73935 This technical report is applicable1 Scope This document provides requirements and guidelines for assessing the chemical airborne cleanliness of equipment and materials which are foreseen to be used in cleanrooms and associated controlled environments which are linked to the ISO standard for cleanliness classes by chemical concentration (see ISO 14644 8). The following are outside the scope of this document: health and safety requirements; compatibility with cleaning agents and