Sentence 9.32.3.6.(1)

  1. OH1
  2. OS3

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability of the inadequate replacement of indoor air with outdoor air.

This is to limit the probability of the inadequate control of :

  • airborne pollutants,
  • oxygen and other components necessary for breathable air, or
  • relative humidity, which could lead to condensation, which could lead to the generation of pollutants from biological growth or from materials that become unstable on wetting.

This is to limit the probability of negative effects on the air quality of indoor spaces, which could lead to harm to persons.

Intent 2:

[Clause 9.32.3.6.(1)(b)] To expand the application of Articles 9.33.6.12. and 9.33.6.13. to exhaust-only ventilation systems.

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