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Nano material state

PARTICULATE NANO-MATERIAL CONTROL MEASURE SELECTION FLOWCHART. Is nanomaterial risk assessed to be dangerous to human health?. NO. Follow Good Practice. YES. Nano material state. Bound in a matrix or film. Suspended in a solution. Dry powder (free material). Will NPs be extracted & dried.

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Nano material state

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  1. PARTICULATE NANO-MATERIAL CONTROL MEASURE SELECTION FLOWCHART Is nanomaterial risk assessed to be dangerous to human health? NO Follow Good Practice YES Nano material state Bound in a matrix or film Suspended in a solution Dry powder (free material) Will NPs be extracted & dried YES Will matrix/film be cut or abraded? NO Use Type D No further action required YES NO Follow Good Practice Could an aerosol be produced? NO Use Type B YES Follow Good Practice NO YES Intentional? e.g. spraying Use Type A Use Type C Follow Good Practice Control types: A – Fume hood switched on B – Fume hood switched off (to contain) with FFP3 facemask C – Specially designed enclosure within fume hood (switched on) D – Glovebox (full enclosure) NB The general principle with dealing with dangerous liquids/vapours and powders is: Liquids/vapours i.e. wet material – fume hood Powder i.e. dry – glovebox (full enclosure) If deemed not dangerous materials can be handled on the lab bench

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