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Powder Handling Operation

Operations

Handling, mixing or measuring dry powders when there is the potential for aerosolization and release of nanomaterials into the workplace atmosphere

Controls

  • Ventilated Laboratory Hood or local exhaust enclosure with HEPA* exhaust filtration
    • The filtered air must not be recirculated into the workplace.
  • If an exhausted enclosure is not available, PPE should be used to minimize potential for respiratory, dermal and eye exposure
  • Latex or nitrile clean room gloves
  • Wet cleaning of laboratory hood surfaces or local exhaust enclosure following conclusion of handling operations

Material Specific Controls