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About This Item


Full Description

The minimum criteria for the design and operation of recirculating exhaust systems used for contaminant control in the workplace are provided in this guideline. It discusses how harmful concentrations of air contaminants can be created in the work environment if done incorrectly. Possible safety problems, and materials and processes used to identify industrial process-generated contaminants are addressed.

Document History

  1. ASSP/AIHA Z9.7-2007


    Recirculation of Air from Industrial Process Exhaust (Formerly ASSE/AIHA Z9.7-2007)

    • Most Recent
  2. AIHA Z9.7

    Recirculation of Air from Industrial Process Exhaust

    • Historical Version