Specification for recirculatory filtration fume cupboards Ingestion-build-143074 or to materials having fibrous

or to materials having fibrous constituents or to materials containing a filler that will not pass through a 3

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Some provisions in Annex C are for national determination - so an amendment to the UK National Annex to BS EN 1993-1-1 is now published that provides the necessary national rules

Declaration of conformity based on full quality assurance plus design examination:

Specification for recirculatory filtration fume cupboards Ingestion-build-143074 or to materials having fibrous1 Scope This British Standard specifies requirements for fume cupboards designed to recirculate air back to the room after filtering out specified pollutants. This British Standard does not specify requirements for fume cupboards of the type dealt with in BS 7258. This British Standard is not applicable to recirculatory filtration fume cupboards of the following types: recirculatory filtration fume cupboards for work on radioactive materials;