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Nordic Ventilation Group proposal for post-COVID target ventilation rates
August 2023, update addresses some changes in the guidance how to calculate the point source ventilation effectiveness 𝜀b. These changes are in the explanations of Equations 5 and 6, and in the calculation example in Appendix 3. It is noted that 𝜀b should be calculated from average concentration at the breathing level, and if local air quality index values are used, the reciprocal values are to be summed as shown in new Equation 23.

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Health-based target ventilation rates and design method for reducing exposure to airborne respiratory infectious diseases - 
Nordic Ventilation Group proposal for post-COVID target ventilation rates, August 2023
 (This document updates December 2022 version)
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  • Home
  • About Scanvac
    • Board / Adm.
    • History
  • Scanvac Awards
  • Previous conferences
  • Co-operation
    • Nordic Ventilation Group (NVG) >
      • NVG Blog
      • Model IEQ regulation
      • Criteria of room air cleaners for particulate matter
      • Effects of indoor air humidity
      • Post-COVID target ventilation rates
      • Demand Controlled Ventilation
      • Control of airborne infections with ventilation and air distribution in post COVID pandemic
    • Ventilation regulations