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About This Item


Full Description

TThis standard discusses portable ventilation equipment and systems used for the reduction, control, or prevention of exposure to hazardous atmospheres or airborne substances in the occupational environment, and for provision of comfort to employees.

Document History

  1. ASSP Z9.9-2021


    Portable Ventilation Systems

    • Most Recent
  2. ASSP/AIHA Z9.9-2010

    Portable Ventilation Systems (Formerly ASSE/AIHA Z9.9-2010)

    • Historical Version